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Trip from Islip, NY to Franklin Square, NY

Last recalculated Apr 17, 2026

Drive Time

39m

Distance

26.9 mi

43 km

Drive Score

7/10

Good drive

Same Day?

Yes, doable

Fuel Cost

$4

one way

EV Charging

Unknown

Best Time to Leave

Save up to 10 min
4 AM
0h 36m ★
6 AM
0h 40m
8 AM
0h 46m
10 AM
0h 42m
12 PM
0h 41m
3 PM
0h 42m
5 PM
0h 46m
8 PM
0h 38m

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

town in Suffolk County, New York, United States

Islip, NY

Wikimedia Commons

census-designated place in Nassau County, New York, United States

Franklin Square, NY

Wikimedia Commons

Trip Overview

This 26.9-mile drive from Islip, NY, to Franklin Square, NY, is a quick trip, estimated to take just 39 minutes. It's a straightforward journey, primarily utilizing the Southern State Parkway and Hempstead Turnpike. With a modest fuel cost of around $4, this route is perfectly suited as a single-day excursion, not requiring an overnight stay. The drive is largely highway-focused, making it an efficient way to travel within the Northeast region. You'll find it's a practical option for getting from point A to point B without much fuss.

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 39m. Total distance: 26.9 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

39m drive, comfortable solo distance.

EV Driver

0 DC fast chargers along the route. Coverage: unknown.

First-Time Driver

Mostly highway driving (71%). Some complex stretches to watch for.

Drive Character

Expect a highway-focused experience on this route, with 71% of it on major roadways. The longest uninterrupted stretch you'll encounter is 17.2 miles along the Southern State Parkway. While the majority of your journey will be on the parkway and Hempstead Turnpike, you'll also navigate some local roads like Main Street as you approach your destination. This mix means you'll experience efficient travel for a significant portion, interspersed with more typical town driving.

Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 20 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Southern State Parkway is the longest continuous segment at about 17.2 miles.

How Hard Is This Drive?

This is a straightforward highway drive that stays mostly on Southern State Parkway and Hempstead Turnpike. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 3.6 miles in near CR 57 / Howells Road.

Driving Effort 8/10

Focused - busy navigation packed into a short drive

Balances navigation complexity with total wheel time.

This is a short but busy drive. With 9 decision points packed into just 26.9 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 39m.

Where does it get tricky?

The main spots that need attention: at 3.6 miles (CR 57 / Howells Road): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 4.7 miles (SO / Southern State Parkway): Merge point - match speed before joining. Lane positioning matters here; at 21.9 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.

Critical Maneuvers

5 of 9 key points

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

9
3.6 mi into trip | ~6m in | CR 57 / Howells Road

Keep slight right at fork onto CR 57 / Howells Road toward Howells Road, Deer Park

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

Use the right lane. Toward Howells Road, Deer Park
5
4.7 mi into trip | ~9m in | SO / Southern State Parkway

Merge onto SO / Southern State Parkway

Merge point - match speed before joining. Lane positioning matters here

Use the straight / right lanes.
8
21.9 mi into trip | ~30m in

Take the exit toward Nassau Road, Hempstead, Freeport

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 21 Toward Nassau Road, Hempstead, Freeport
8
22.1 mi into trip | ~30m in

Keep slight right at fork toward Uniondale

Highway fork - watch signs carefully. Lane positioning matters here

Use the right lane. Toward Uniondale
6
24.1 mi into trip | ~34m in | NY 102 / Front Street

Turn left onto NY 102 / Front Street

Lane positioning matters here

Use the left lane.

Towns Mentioned on Route Signs

Based on OSRM destination-sign hints, not a full list of every settlement the road passes.

Between Islip, NY and Franklin Square, NY, road signs point toward Deer Park, So West: New York, Hempstead, Freeport and Uniondale.

Deer Park

3.6 mi in | ~6m | via CR 57

So West: New York

4.5 mi in | ~8m

Hempstead

21.9 mi in | ~30m

Freeport

21.9 mi in | ~30m

Uniondale

22.1 mi in | ~30m

Main Roads

Road Distance Duration
Southern State Parkway 17.2 mi 21m
Hempstead Turnpike 2 mi 3m
Main Street 1.8 mi 3m
Greenwich Street 1.2 mi 2m
Howells Road 1 mi 2m
Front Street 0.8 mi 1m
Nassau Road 0.8 mi 1m
Bay Shore Road 0.6 mi 1m
Longest stretch: Southern State Parkway — 17.2 mi, about 21m

Turn-by-Turn Driving Directions

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

1

Start on NY 27A

0.8 mi · 1 min · Main Street
2

Continue on Montauk Highway

0.2 mi · 19 sec · Montauk Highway
3

Continue on NY 27A

1.1 mi · 1 min · Main Street
4

Turn right onto 3rd Avenue

0.6 mi · 1 min · 3rd Avenue
5

Continue on CR 57

0.3 mi · 36 sec · Rossevelt Street
6

Continue on CR 57

0.7 mi · 1 min · Howells Road
Use the left lane.
7

Turn straight onto Sunrise Highway

163 ft · 3 sec · Sunrise Highway
8

Keep slight right at fork onto CR 57

0.3 mi · 36 sec · Howells Road
Toward Howells Road, Deer Park Use the right lane.
9

Continue on CR 57

0.6 mi · 1 min · Bay Shore Road
10

Take the ramp

0.1 mi · 19 sec
Toward SO West: New York
11

Continue on this road

363 ft · 8 sec · this road
12

Merge onto SO

17 mi · 21 min · Southern State Parkway
Use the straight / right lanes.
13

Take the exit

0.1 mi · 25 sec
Exit 21 Toward Nassau Road, Hempstead, Freeport Use the slight right lane.
14

Keep slight right at fork

163 ft · 5 sec
Toward Uniondale Use the right lane.
15

Turn right onto Nassau Road

0.8 mi · 1 min · Nassau Road
Use the right lane.
16

Continue on Greenwich Street

1.2 mi · 2 min · Greenwich Street
Use the left lane.
17

Turn left onto NY 102

0.8 mi · 1 min · Front Street
Use the left lane.
18

Turn slight left onto NY 24

2.0 mi · 3 min · Hempstead Turnpike
19

Turn left onto Franklin Avenue

52 ft · 1 sec · Franklin Avenue
Use the left lane.
20

Arrive at destination

Franklin Avenue

Fuel & Cost

Regular Gas

$4.43 one way

$8.86 round trip

$4.18/gal 25.4 MPG avg 9 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.52 $4.79 $9.58
premium $4.92 $5.21 $10.43
diesel $5.61 $5.94 $11.88

Estimated Tolls: $0.14

Hempstead Turnpike (2 mi) $0.14

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

Drive Cost (one way)

Fuel

$4

Tolls

$0

Total

$5

Estimated CO2 emission: 9.4 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $3 in charging · 0 stops · 67% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 8.1 0 $2.82 $1.29
Efficient EV 6.7 0 $2.35 $1.08
EV Truck/SUV 10.8 0 $3.77 $1.72

Gas CO2

9 kg

EV CO2

3 kg (67% less)

This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.

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 as of Apr 15, 2026

Origin

Islip, NY

Night in Islip on Thursday

Local time

10:38 PM

EDT

Current temp

44°F

Unavailable

Live forecast

Destination

Franklin Square, NY

Night in Franklin Square on Thursday

Local time

10:38 PM

EDT

Current temp

46°F

Unavailable

Live forecast

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

2 degrees warmer at arrival

A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.

Road read

39m on the road

Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.

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

Frequently Asked Questions

The drive from Islip, NY to Franklin Square, NY covers 26.9 miles and takes about 39m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Southern State Parkway, Hempstead Turnpike, Main Street. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 13.5 miles from Islip, NY. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $4.43 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.
This is a short but busy drive. With 9 decision points packed into just 26.9 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 39m.
The main spots that need attention: at 3.6 miles (CR 57 / Howells Road): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 4.7 miles (SO / Southern State Parkway): Merge point - match speed before joining. Lane positioning matters here; at 21.9 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Between Islip, NY and Franklin Square, NY, road signs point toward Deer Park, So West: New York, Hempstead, Freeport and Uniondale.
Yes. Nearby national parks include Fire Island National Seashore, Gateway National Recreation Area and Hamilton Grange National Memorial. There are 6 parks within detour distance of this route.

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Explore More

Return Trip

Franklin Square, NY to Islip, NY

Plan the drive back the other way.

26.7 mi 39m

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

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