Trip from Allegany, NY to Islip, NY

Drive Time

8h 1m

Distance

397.2 mi

639 km

Drive Score

8/10

Great drive

Same Day?

2-day trip

Fuel Cost

$65

one way

EV Charging

Loading...

station data

Best Time to Leave

Save up to 26 min
4 AM
7h 53m ★
6 AM
8h 2m
8 AM
8h 19m
10 AM
8h 8m
12 PM
8h 6m
3 PM
8h 9m
5 PM
8h 18m
8 PM
7h 57m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

Downtown Allegany, NY, NY

Allegany, NY

Renan Tagliaferro

Downtown Islip, NY, NY

Islip, NY

Renan Tagliaferro

Trip Overview

Spanning 397.2 miles across New York State, this journey from Allegany to Islip typically takes about 8 hours and 1 minute of driving time. While technically possible to complete in a single long haul, splitting the trip over 2 days is highly recommended to keep the experience manageable. You will primarily navigate via the Southern Tier Expressway, the Keystone Shortway, and I-81 throughout your transit. Budgeting roughly $65 for fuel covers the expected costs for this cross-state trek. Because you are traveling entirely within the Northeast, you can expect consistent road conditions, though the transition from the Southern Tier toward Long Island marks a significant shift in traffic density.

Trip Pace

Best split across 2 days

Treat the return leg as its own travel day rather than an afterthought.

Break Rhythm

2 planned breaks

Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.

Midpoint

198.6 miles from Allegany, NY

A natural place for your longest stop of the day , about 3h 53m into the drive .

Drive Character

Expect a highway-focused experience, as 75% of this route consists of high-speed interstate travel. You will spend a significant portion of your time on the Southern Tier Expressway, which accounts for the longest uninterrupted stretch of 175.1 miles. This segment allows you to maintain a steady pace before transitioning onto the more complex network of roads required to reach the coast. The drive feels efficient rather than leisurely, prioritizing speed and directness over winding scenic detours. You should anticipate a transition from quieter, open stretches to the more congested highway environments typical of approaching the New York City metropolitan area.

Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 51 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Southern Tier Expressway is the longest continuous segment at about 175.1 miles.

How Hard Is This Drive?

This is a straightforward highway drive that stays mostly on Southern Tier Expressway and Keystone Shortway. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 230.2 miles in near US 6.

Route Complexity 10/10

High effort - long or complex enough to need steady focus all day

This is a demanding drive. With 33 significant decision points across 397.2 miles, you will need to stay alert — especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.

Where does it get tricky?

The main spots that need attention: at 230.2 miles (US 6): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 344.7 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 345 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.

Critical Maneuvers

5 of 33 key points

These are the spots where you need to pay the most attention. Preview them before you drive.

9
230.2 mi into trip | ~4h 30m in | US 6

Keep slight right at fork onto US 6 toward I 84 East, I 380 South, US 6 East: Carbondale, Mt Pocono

Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one

Use the slight left / slight right lanes. Exit 187 Toward I 84 East, I 380 South, US 6 East: Carbo...
8
344.7 mi into trip | ~6h 46m in

Keep slight left at fork toward I 95 North: George Washington Bridge, New York City

Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one

Use the none / straight / slight right lanes. Toward I 95 North: George Washington Bridge, Ne...
9
345 mi into trip | ~6h 46m in

Keep slight right at fork toward Leonia, Teaneck

Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one

Use the slight right lane. Exit 70A-B Toward Leonia, Teaneck
8
354.4 mi into trip | ~7h 1m in | I 295 / Cross Bronx Expressway

Keep slight right at fork onto I 295 / Cross Bronx Expressway toward I 295 South: Throgs Neck Bridge

Highway fork - watch signs carefully. Lane positioning matters here

Use the straight / slight left / none lanes. Exit 6B Toward I 295 South: Throgs Neck Bridge
9
392.6 mi into trip | ~7h 52m in

Take the exit toward Bay Shore Road South, Bay Shore

Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one

Use the slight right lane. Exit 41S Toward Bay Shore Road South, Bay Shore

Towns Along This Route

Between Allegany, NY and Islip, NY, road signs point toward Mt Pocono, Milford, New York City, Leonia, Teaneck and George Washington Bridge Upper Level - among others.

Mt Pocono

230.2 mi in | ~4h 30m | via US 6

Milford

230.9 mi in | ~4h 31m | via I 84; I 380

New York City

344.7 mi in | ~6h 46m

Leonia

345 mi in | ~6h 46m

Teaneck

345 mi in | ~6h 46m

George Washington Bridge Upper Level

347.2 mi in | ~6h 51m

Cross Island Parkway South

365.9 mi in | ~7h 17m

Southern State Parkway East

367.4 mi in | ~7h 20m

Eastern Long Island

367.4 mi in | ~7h 20m

Main Roads

Road Distance Duration
Southern Tier Expressway 175.1 mi 3h 23m
Keystone Shortway 80 mi 1h 37m
I 81 53.4 mi 1h 3m
Southern State Parkway 24.7 mi 31m
I 380 23.6 mi 25m
Cross Bronx Expressway 6.6 mi 8m
Christopher Columbus Highway 5.5 mi 5m
Clearview Expressway 5 mi 5m
Longest stretch: Southern Tier Expressway — 175.1 mi, about 3h 23m

Turn-by-Turn Driving Directions

Step-by-step road directions between Allegany, NY and Islip, NY.

1

Start on North 5th Street

52 ft · 6 sec · North 5th Street
2

Turn right onto NY 417

0.7 mi · 1 min · West Main Street
3

Continue on NY 417

0.4 mi · 39 sec · West State Road
4

Turn right onto West Five Mile Road

0.3 mi · 32 sec · West Five Mile Road
5

Take the ramp

0.3 mi · 37 sec
6

Merge onto I 86; NY 17

175 mi · 3 hr 23 min · Southern Tier Expressway
Use the none lane.
7

Keep slight right at fork onto I 81

53 mi · 1 hr 3 min · I 81
Toward I 81 South: Scranton Use the none lane.
8

Keep slight right at fork onto US 6

0.8 mi · 1 min · US 6
Exit 187 Toward I 84 East, I 380 South, US 6 East: Carbondale, Mt Pocono Use the slight left / slight right lanes.
9

Continue on I 84; I 380

3.7 mi · 4 min · I 84; I 380
Toward I 84 East, I 380 South: Mount Pocono, Milford Use the straight lane.
10

Keep slight right at fork onto I 380

24 mi · 25 min · I 380
Exit 4 Toward I 380 South: Mount Pocono
11

Keep slight left at fork

1.0 mi · 1 min
Exit 1B Toward I 80 East: Stroudsburg
12

Merge onto I 80

80 mi · 1 hr 37 min · Keystone Shortway
Use the none / straight / right lanes.
13

Keep slight right at fork onto I 80

5.5 mi · 5 min · Christopher Columbus Highway
Toward I 95: George Washington Bridge Lower Level Use the slight right lane.
14

Keep slight left at fork

0.3 mi · 23 sec
Toward I 95 North: George Washington Bridge, New York City Use the none / straight / slight right lanes.
15

Keep slight right at fork

0.4 mi · 38 sec
Exit 70A-B Toward Leonia, Teaneck Use the slight right lane.
16

Turn right

0.2 mi · 35 sec
Exit 70A Toward Leonia Use the straight / slight right lanes.
17

Turn straight onto CR 56

454 ft · 9 sec · Degraw Avenue
18

Continue on CR 56

1.1 mi · 2 min · Fort Lee Road
Use the none lane.
19

Continue on CR 56

469 ft · 13 sec · Main Street
20

Take the ramp

472 ft · 12 sec
Toward George Washington Bridge
21

Merge onto US 1; US 9; US 46

0.3 mi · 28 sec · Bergen Boulevard
Use the none / straight / slight right lanes.
22

Take the exit

312 ft · 4 sec
Toward George Washington Bridge Upper Level
23

Merge onto I 95 EXPR

0.3 mi · 20 sec · I 95 EXPR
Use the none / straight / slight right lanes.
24

Keep slight left at fork onto I 95 EXPR

0.8 mi · 1 min · I 95 EXPR
25

Continue on I 95; US 1; US 9

0.6 mi · 1 min · George Washington Bridge (upper level)
Use the none / straight / slight right lanes.
26

Continue on I 95; US 1

0.7 mi · 1 min · Trans-Manhattan Expressway
Use the none lane.
27

Continue on I 95; US 1

4.7 mi · 6 min · Cross Bronx Expressway
Use the none / straight / slight right lanes.
28

Keep slight right at fork onto I 295

2.0 mi · 2 min · Cross Bronx Expressway
Exit 6B Toward I 295 South: Throgs Neck Bridge Use the straight / slight left / none lanes.
29

Merge onto I 295

0.6 mi · 58 sec · Throgs Neck Expressway
Use the none lane.
30

Continue on I 295

2.0 mi · 3 min · Throgs Neck Bridge
Use the none / straight / slight right lanes.
31

Continue on I 295

5.0 mi · 5 min · Clearview Expressway
Use the none / straight / slight right lanes.
32

Continue on NY 24

0.7 mi · 1 min · Hollis Court Boulevard
Use the straight lane.
33

At end of road, turn left onto NY 24

0.2 mi · 35 sec · Jamaica Avenue
Use the left / none lanes.
34

Turn right onto Hempstead Avenue

0.9 mi · 2 min · Hempstead Avenue
Use the none lane.
35

Turn right onto 225th Street

228 ft · 9 sec · 225th Street
Use the right lane.
36

Take the ramp

0.2 mi · 28 sec
Toward Cross Island Parkway South, Verrazano Bridge
37

Merge onto CI

1.3 mi · 1 min · Cross Island Parkway
Use the none lane.
38

Take the exit

0.5 mi · 1 min
Exit 25A Toward Southern State Parkway East, Eastern Long Island Use the slight left / straight lanes.
39

Merge onto SO

25 mi · 31 min · Southern State Parkway
Use the none lane.
40

Keep slight left at fork onto SO

0.2 mi · 16 sec · Southern State Parkway
Use the none / straight / slight right lanes.
41

Take the exit

0.2 mi · 31 sec
Exit 41S Toward Bay Shore Road South, Bay Shore Use the slight right lane.
42

Turn straight onto CR 57

0.5 mi · 1 min · Bay Shore Road
Use the none lane.
43

Continue on CR 57

0.3 mi · 43 sec · Howells Road
Use the none lane.
44

Turn straight onto CR 57

341 ft · 6 sec · Sunrise Highway
45

Keep slight right at fork onto CR 57

0.6 mi · 1 min · Howells Road
Toward Howells Road South Use the right lane.
46

Continue on CR 57

0.2 mi · 24 sec · Roosevelt Street
47

Continue on CR 57

0.7 mi · 1 min · 3rd Avenue
Use the none lane.
48

At end of road, turn left onto NY 27A

1.1 mi · 1 min · East Main Street
Use the none lane.
49

Continue on Montauk Highway

0.2 mi · 17 sec · Montauk Highway
Use the none lane.
50

Continue on NY 27A

0.8 mi · 1 min · Main Street
Use the none lane.
51

Arrive at destination

NY 27A

Trip Plan

To make the most of this 8-hour drive, plan for at least 2 intentional stops to break up the monotony of the highway stretches. Leaving early in the morning is your best strategy to avoid peak traffic congestion as you approach the Islip area. Since you have a $65 fuel budget, keep an eye on your gauge during the long 175.1-mile stretch on the Southern Tier Expressway, as service availability can fluctuate. If you choose to split the trip over 2 days, look for lodging options near the midpoint of the route to ensure your second day is less demanding. Flexibility is your biggest asset here, so adjust your pace based on the flow of traffic on I-81.

Morning Departure

Start early — leave by 6-7 AM to arrive at a reasonable hour.

Evening Departure

This is a long drive — plan for a morning departure or consider splitting it into two days.

This drive is better paced as a 2-day trip.
Plan roughly 2 meaningful breaks for fuel, food, and rest.
The halfway point lands around 198.6 miles from Allegany, NY, or about 3h 53m into the drive.
The longest continuous stretch on this route runs about 175.1 miles.

Consider an overnight stop or starting very early.

Departure

Before you leave

Start with fuel, water, and navigation already sorted so the first hour feels easy.

First stop

Around 87 miles or 1h 42m in

Use this first pause for coffee, a restroom break, and a quick traffic check ahead.

Halfway reset

Around 198.6 miles or 3h 53m in

This is the best place for your longest stop, a real meal, and a full fuel check.

Overnight split

Day 1 wrap after about 198.6 miles or 3h 53m

Stop before fatigue turns the last few hours into a grind. You want day two to start fresh, not just resumed.

Final approach

Final hour starts around 6h 38m

Traffic, exits, and arrival timing usually matter more near Islip, NY than in the middle of the route.

Before You Leave

+

Open the route before leaving Allegany, NY so your first major turns are already loaded.

+

Leave with enough water and a charging cable within reach, not packed away.

+

Check your fuel range against the first long segment, especially if you are starting outside city service areas.

+

Pick one backup stop option before the midpoint in case traffic changes your pacing.

+

Treat this as a 2-day road trip and book the overnight stop before the busiest arrival window.

Day 1

Settle into the route from Allegany, NY

Aim for roughly 199 miles and 4 hours of wheel time on this day.

Day 2

Finish the approach into Islip, NY

Aim for roughly 199 miles and 4 hours of wheel time on this day.

Your first comfortable stop window is around 87 miles from Allegany, NY.
This route usually feels better as a 2-day drive than as one long push.
Plan about 2 real breaks rather than only quick fuel stops.
The longest stretch is on Southern Tier Expressway for about 175.1 miles.

Where to Stop

Rest stops, refuel points, and overnight suggestions along this route.

Halfway Point

Midpoint

About 198.6 mi from Allegany, NY · 3h 53m into the drive

Downtown Ramapo, NY, NY

Mid-route town

Overnight candidate

Ramapo, NY

199 mi into the route

Best for: Hotel check-in, dinner, and a fresh start

This lines up well with a realistic day-end stop if you are breaking the drive into stages.

Find hotels in Ramapo, NY

Overnight Options

Night 1

Ramapo, NY

199 mi · about 4h in

A practical overnight split lands near Ramapo, NY after about 199 miles or 4 hours of driving.

Find hotels

Pacing Suggestions

Corning, NY

Fuel and coffee

A short stop after about 87 miles helps settle the day before fatigue starts building.

Syracuse, NY

Meal break

The midpoint is around 198.6 miles from Allegany, NY, which is a good place for a longer meal and fuel stop.

Before the longest stretch

Fuel check

Top up before Southern Tier Expressway if your tank is already low. That segment runs about 175.1 miles.

Overnight split

Hotel stop

For a steadier pace, wrap day one after about 199 miles or 4 hours on the road.

Arriving in Islip, NY

The final approach into Islip, NY usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.

Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Islip, NY.

On a multi-day trip, keep the last day a little lighter so you reach Islip, NY with some flexibility left in the schedule.

After long uninterrupted mileage, take five minutes before the last urban segment to reset and refocus on exits, merges, and city traffic.

These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.

Fuel & Cost

Regular Gas

$64.66 one way

$129.32 round trip

$4.14/gal 25.4 MPG avg 139 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.48 $70.07 $140.15
premium $4.88 $76.36 $152.72
diesel $5.64 $88.24 $176.49

Estimated Tolls: $22.55

George Washington Bridge $16.00
Throgs Neck Bridge $6.55

Toll estimates based on average 2024-2025 rates. EZ-Pass/SunPass discounts may lower the actual cost.

Estimated Trip Cost (one way, 1 person)

Fuel

$65

Tolls

$23

Hotel (1n)

$80–$140

Meals

$50–$100

Total

$217–$327

Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.

Estimated CO2 emission: 139 kg one way. Prices: EIA weekly data, 2026-04-06.

Driving Electric?

About $42 in charging · 1 stop · 67% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 119.2 1 $41.71 $19.07
Efficient EV 99.3 1 $34.75 $15.89
EV Truck/SUV 158.9 1 $55.61 $25.42

Gas CO2

139 kg

EV CO2

46 kg (67% less)

Plan for 1 charging stop. A 30-minute DC fast charge mid-route should be enough to complete the trip comfortably.

DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.

Travel Intel

Current conditions at both ends of the drive.

Forecast data refreshed 3 days ago

Origin

Allegany, NY

Afternoon in Allegany on Sunday

Local time

4:33 PM

EDT

Current temp

51°F

Unavailable

Live forecast

Destination

Islip, NY

Afternoon in Islip on Sunday

Local time

4:33 PM

EDT

Current temp

51°F

Unavailable

Live forecast

Along the Route

59°F

Ramapo, NY

199 mi in

Seasonal Notes

Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.

Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.

Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.

For long drives, weather on day two can matter just as much as conditions at departure, so check the whole travel window rather than only the first day.

Time zone

Same local time

Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.

Temperature spread

Very similar conditions

Both ends of the route are sitting at about the same temperature right now.

Road read

8h 1m on the road

This is long enough that the arrival forecast matters almost as much as departure conditions. Recheck both ends before you roll.

Weather data from the National Weather Service. Conditions may change; check closer to your travel date.

Frequently Asked Questions

The drive from Allegany, NY to Islip, NY covers 397.2 miles and takes about 8h 1m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Southern Tier Expressway, Keystone Shortway, I 81. Most of the drive stays on highways, so watch for ramps and exits.
Consider an overnight stop or starting very early.
Yes. This route is usually more comfortable as a 2-day drive. A sensible stopping point is after roughly 199 miles on day one.
The midpoint is about 198.6 miles from Allegany, NY. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $64.66 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Start early — leave by 6-7 AM to arrive at a reasonable hour. This is a long drive — plan for a morning departure or consider splitting it into two days.
Plan about 2 meaningful breaks for fuel, food, or rest. Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
This is a demanding drive. With 33 significant decision points across 397.2 miles, you will need to stay alert — especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
The main spots that need attention: at 230.2 miles (US 6): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 344.7 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 345 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Between Allegany, NY and Islip, NY, road signs point toward Mt Pocono, Milford, New York City, Leonia, Teaneck and George Washington Bridge Upper Level - among others.

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Return Trip

Islip, NY to Allegany, NY

Plan the drive back the other way.

397.3 mi 8h 6m

Explore more options from Allegany, NY or browse trips ending in Islip, NY.

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