The drive from Clymer, NY to Islip, NY covers 425.2 miles and takes about 9h 7m behind the wheel.
It usually feels better as a 2-day road trip than as one long push.
The route leans on Keystone Shortway, Southern State Parkway, PA 948 for much of the mileage,
and the overall profile is turn-heavy local drive.
The longest uninterrupted segment is about 262.7 miles on Keystone Shortway.
At current regular gas prices, budget about $69.99 one way before food or hotel costs.
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
212.6 miles from Clymer, NY
A natural place for your longest stop of the day
, about 4h 50m into the drive
.
Who Is This Route For?
Solo Traveler
9h 7m drive, plan rest stops for pacing.
Scenic Drive
Turn-heavy local drive route profile with national parks nearby.
Drive Character
Expect a 9h 7m drive with frequent turns across 425.2 miles of local and secondary roads.
This route has more turning and local-road decision points than a simple highway run.
There are about 68 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Keystone Shortway is the longest continuous segment at about 262.7 miles.
How Hard Is This Drive?
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 372.8 miles in.
Driving Effort10/10
High effort - long or complex enough to need steady focus all day
Balances navigation complexity with total wheel time.
This is a demanding drive. With 33 significant decision points across 425.2 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 372.8 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 373 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 382.5 miles (I 295 / Cross Bronx Expressway): Highway fork - watch signs carefully. Lane positioning matters here.
Critical Maneuvers
5 of 33 key points
These are the spots where you need to pay the most attention. Preview them before you drive.
8
372.8 mi into trip|~7h 52m 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 straight / slight right lanes.
Toward I 95 North: George Washington Bridge, Ne...
9
373 mi into trip|~7h 52m 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
382.5 mi into trip|~8h 6m 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 lanes.
Exit 6B
Toward I 295 South: Throgs Neck Bridge
8
395.4 mi into trip|~8h 25m in
Take the exit toward Southern State Parkway East, Eastern Long Island
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight left / straight lanes.
Exit 25A
Toward Southern State Parkway East, Eastern Lon...
9
420.6 mi into trip|~8h 58m 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 Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Clymer, NY and Islip, NY, road signs point toward New York City, Leonia, Teaneck, George Washington Bridge Upper Level, Cross Island Parkway South and Southern State Parkway East - among others.
New York City
372.8 mi in|~7h 52m
Leonia
373 mi in|~7h 52m
Teaneck
373 mi in|~7h 52m
George Washington Bridge Upper Level
375.3 mi in|~7h 56m
Cross Island Parkway South
393.9 mi in|~8h 23m
Southern State Parkway East
395.4 mi in|~8h 25m
Eastern Long Island
395.4 mi in|~8h 25m
Main Roads
Road
Distance
Duration
Keystone Shortway
262.7 mi
4h 57m
Southern State Parkway
24.7 mi
31m
PA 948
23.8 mi
35m
Grand Army of the Republic Highway
23 mi
32m
Boot Jack Road
11.2 mi
16m
Warren Bypass
8.6 mi
12m
State Park Road
8.1 mi
14m
Cross Bronx Expressway
6.6 mi
8m
Longest stretch:
Keystone Shortway
— 262.7 mi, about 4h 57m
Turn-by-Turn Driving Directions
Step-by-step road directions between Clymer, NY and Islip, NY.
1
Start on Clymer-Sherman Road
31 ft·2 sec·Clymer-Sherman Road
2
Continue on Clymer-Corry Road
1.1 mi·2 min·Clymer-Corry Road
3
Turn slight left onto Plank Road
5.3 mi·10 min·Plank Road
4
Continue on Market Street
0.4 mi·53 sec·Market Street
5
Turn sharp left onto PA 957
222 ft·5 sec·Pike Road
6
Turn slight right onto South Street
398 ft·19 sec·South Street
7
Turn right onto Jackson Lane
262 ft·17 sec·Jackson Lane
8
Turn left onto US 6
1.8 mi·3 min·Route 6
9
Continue on US 6
16 mi·21 min·Grand Army of the Republic Highway
10
Continue on US 6; PA 27
1.4 mi·2 min·Youngsville Bypass
Use the straight / right lanes.
11
Continue on US 6
8.6 mi·12 min·Warren Bypass
Use the straight lane.
12
Continue on US 6
1.8 mi·3 min·Crescent Park
Use the straight / right lanes.
13
Continue on US 6
0.2 mi·35 sec·Main Street
Use the straight lane.
14
Continue on US 6
2.9 mi·4 min·Grand Army of the Republic Highway
Use the straight lane.
15
Continue on US 6
1.4 mi·2 min·North Main Street
16
Continue on US 6
4.5 mi·6 min·Grand Army of the Republic Highway
17
Continue on US 6
1.1 mi·2 min·West Main Street
18
Take the exit
265 ft·9 sec
Toward PA 666 West
19
Merge onto PA 666
2.3 mi·4 min·South Main Street
20
Continue on PA 948
8.5 mi·12 min·PA 948
21
At end of road, turn left onto PA 66
2.9 mi·4 min·PA 66
22
Turn right onto PA 948
15 mi·22 min·PA 948
23
Turn left onto PA 948
1.0 mi·2 min·West Main Street
24
Continue on US 219; PA 948
11 mi·16 min·Boot Jack Road
25
Turn left onto PA 153
3.7 mi·6 min·Penfield Road
26
Continue on PA 153
5.0 mi·8 min·Hoovertown Road
27
Continue on PA 153
8.1 mi·14 min·State Park Road
28
Turn left
0.3 mi·40 sec
29
Merge onto I 80
263 mi·4 hr 57 min·Keystone Shortway
Use the straight / right lanes.
30
Keep slight right at fork onto I 80
5.5 mi·5 min·Christopher Columbus Highway
Toward I 95: George Washington Bridge Lower LevelUse the slight right lane.
31
Keep slight left at fork
0.3 mi·23 sec
Toward I 95 North: George Washington Bridge, New York CityUse the straight / slight right lanes.
32
Keep slight right at fork
0.4 mi·38 sec
Exit 70A-BToward Leonia, TeaneckUse the slight right lane.
33
Turn right
0.2 mi·35 sec
Exit 70AToward LeoniaUse the straight / slight right lanes.
34
Turn straight onto CR 56
454 ft·9 sec·Degraw Avenue
35
Continue on CR 56
1.1 mi·2 min·Fort Lee Road
Use the straight / right lanes.
36
Continue on CR 56
469 ft·13 sec·Main Street
37
Take the ramp
472 ft·12 sec
Toward George Washington Bridge
38
Merge onto US 1; US 9; US 46
0.3 mi·28 sec·Bergen Boulevard
Use the straight / slight right lanes.
39
Take the exit
312 ft·4 sec
Toward George Washington Bridge Upper Level
40
Merge onto I 95 EXPR
0.3 mi·20 sec·I 95 EXPR
Use the straight / slight right lanes.
41
Keep slight left at fork onto I 95 EXPR
0.8 mi·1 min·I 95 EXPR
42
Continue on I 95; US 1; US 9
0.6 mi·1 min·George Washington Bridge (upper level)
Use the straight / slight right lanes.
43
Continue on I 95; US 1
0.7 mi·1 min·Trans-Manhattan Expressway
44
Continue on I 95; US 1
4.7 mi·6 min·Cross Bronx Expressway
Use the straight / slight right lanes.
45
Keep slight right at fork onto I 295
2.0 mi·2 min·Cross Bronx Expressway
Exit 6BToward I 295 South: Throgs Neck BridgeUse the straight / slight left lanes.
46
Merge onto I 295
0.6 mi·58 sec·Throgs Neck Expressway
47
Continue on I 295
2.0 mi·3 min·Throgs Neck Bridge
Use the straight / slight right lanes.
48
Continue on I 295
5.0 mi·5 min·Clearview Expressway
Use the straight / slight right lanes.
49
Continue on NY 24
0.7 mi·1 min·Hollis Court Boulevard
Use the straight lane.
50
At end of road, turn left onto NY 24
0.2 mi·35 sec·Jamaica Avenue
Use the left lane.
51
Turn right onto Hempstead Avenue
0.9 mi·2 min·Hempstead Avenue
52
Turn right onto 225th Street
228 ft·9 sec·225th Street
Use the right lane.
53
Take the ramp
0.2 mi·28 sec
Toward Cross Island Parkway South, Verrazano Bridge
54
Merge onto CI
1.3 mi·1 min·Cross Island Parkway
Use the straight / slight right lanes.
55
Take the exit
0.5 mi·1 min
Exit 25AToward Southern State Parkway East, Eastern Long IslandUse the slight left / straight lanes.
56
Merge onto SO
25 mi·31 min·Southern State Parkway
Use the straight / slight right lanes.
57
Keep slight left at fork onto SO
0.2 mi·16 sec·Southern State Parkway
Use the straight / slight right lanes.
58
Take the exit
0.2 mi·31 sec
Exit 41SToward Bay Shore Road South, Bay ShoreUse the slight right lane.
59
Turn straight onto CR 57
0.5 mi·1 min·Bay Shore Road
60
Continue on CR 57
0.3 mi·43 sec·Howells Road
61
Turn straight onto CR 57
341 ft·6 sec·Sunrise Highway
62
Keep slight right at fork onto CR 57
0.6 mi·1 min·Howells Road
Toward Howells Road SouthUse the right lane.
63
Continue on CR 57
0.2 mi·24 sec·Roosevelt Street
64
Continue on CR 57
0.7 mi·1 min·3rd Avenue
65
At end of road, turn left onto NY 27A
1.1 mi·1 min·East Main Street
66
Continue on Montauk Highway
0.2 mi·17 sec·Montauk Highway
67
Continue on NY 27A
0.8 mi·1 min·Main Street
68
Arrive at destination
NY 27A
Trip Plan
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 212.6 miles from Clymer, NY, or about 4h 50m into the drive.
The longest continuous stretch on this route runs about 262.7 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 94 miles or 2h 29m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 212.6 miles or 4h 50m 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 212.6 miles or 4h 50m
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 7h 43m
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 Clymer, 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 Clymer, NY
Aim for roughly 213 miles and 4.6 hours of wheel time on this day.
Day 2
Finish the approach into Islip, NY
Aim for roughly 213 miles and 4.6 hours of wheel time on this day.
Your first comfortable stop window is around 94 miles from Clymer, 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 Keystone Shortway for about 262.7 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 212.6 mi from Clymer, NY
· 4h 50m into the drive
The midpoint is around 212.6 miles from Clymer, NY, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel check
Top up before Keystone Shortway if your tank is already low. That segment runs about 262.7 miles.
Overnight split
Hotel stop
For a steadier pace, wrap day one after about 213 miles or 4.6 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.
National Parks Near This Route
Worth a detour if your schedule allows.
Hamilton Grange National Memorial
National Memorial
Merchant’s clerk, Revolutionary War soldier, first Secretary Treasury of the United States: Alexander Hamilton’s life is memorialized at The Grange, the home he built on a country estate in uptown Man...
4 mi from route
~11 min detour
Free
near mile 381.2
The final resting place of President Ulysses S. Grant and his wife, Julia, is the largest mausoleum in North America. It testifies to a people’s gratitude for the man who ended the bloodiest conflict...
5 mi from route
~13 min detour
Free
near mile 381.2
Before the 1960s, almost everything about living authentically as a lesbian, a bisexual person or a gay man was illegal. The Stonewall Uprising on June 28, 1969 is a milestone in the quest for civil r...
10 mi from route
~25 min detour
Free
near mile 381.2
The African Burial Ground stands as the oldest and largest known excavated burial site in North America for both free and enslaved Africans. It offers a profound testament to the enduring legacy of Af...
11 mi from route
~28 min detour
Free
near mile 381.2
Immerse yourself in an enchanting collage of coastal life and history. Rhythmic waves, high dunes, ancient maritime forests, historic landmarks and glimpses of wildlife, Fire Island has been a special...
11 mi from route
~28 min detour
Free
near mile 425.2
Located at the southern tip of Manhattan, Castle Clinton marks the place where New York City began and reflects the growth of both the city and the nation. Built to defend the harbor during the War of...
12 mi from route
~30 min detour
Free
near mile 381.2
Park data from the National Park Service API. Alerts update every 2 hours.
Fuel & Cost
Regular Gas
$69.99 one way
$139.98 round trip
$4.18/gal25.4 MPG avg149 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.52
$75.68
$151.36
premium
$4.92
$82.41
$164.82
diesel
$5.61
$93.88
$187.76
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
$70
Tolls
$23
Hotel (1n)
$80–$140
Meals
$50–$100
Total
$223–$333
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 148.8 kg one way.
Prices: EIA weekly data, 2026-04-13.
EV Charging Along Route
3 DC fast chargers
· Coverage: fair
ChargePoint Charging Station
Randolph, New Jersey
ChargePoint
1 DCFC
EV Connect Charging Station
Dover, New Jersey
EV Connect
1 DCFC
Tesla Supercharger
Blakeslee, Pennsylvania
Tesla
1 DCFC
ChargePoint: 1
EV Connect: 1
Tesla: 1
Station data from NREL Alternative Fuel Stations database.
Driving Electric?
About $45 in charging
· 1 stop
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
127.6
1
$44.65
$20.41
Efficient EV
106.3
1
$37.21
$17.01
EV Truck/SUV
170.1
2
$59.53
$27.21
Gas CO2
149 kg
EV CO2
50 kg (66% 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 as of Apr 16, 2026
Origin
Clymer, NY
Late night
in Clymer on Friday
Local time
12:33 AM
EDT
Current temp
57°F
Unavailable
Live forecast
Destination
Islip, NY
Late night
in Islip on Friday
Local time
12:33 AM
EDT
Current temp
44°F
Unavailable
Live forecast
57°F
Ramapo, NY
213 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
13 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
9h 7m 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 Clymer, NY to Islip, NY covers 425.2 miles and takes about 9h 7m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Keystone Shortway, Southern State Parkway, PA 948. Expect a mix of highway and local road driving.
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 213 miles on day one.
The midpoint is about 212.6 miles from Clymer, NY. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $69.99 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 425.2 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 372.8 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 373 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 382.5 miles (I 295 / Cross Bronx Expressway): Highway fork - watch signs carefully. Lane positioning matters here.
Between Clymer, NY and Islip, NY, road signs point toward New York City, Leonia, Teaneck, George Washington Bridge Upper Level, Cross Island Parkway South and Southern State Parkway East - among others.
