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Trip from Delevan, NY to Islip, NY

Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards

Drive Time

8h 17m

Distance

396.9 mi

639 km

Drive Score

9/10

Great drive

Same Day?

2-day trip

Fuel Cost

$65

one way

EV Charging

Unknown

Best Time to Leave

Save up to 23 min
4 AM
8h 10m ★
6 AM
8h 18m
8 AM
8h 33m
10 AM
8h 23m
12 PM
8h 22m
3 PM
8h 24m
5 PM
8h 32m
8 PM
8h 13m

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

village in Cattaraugus County, New York, United States

Delevan, NY

Wikimedia Commons

town in Suffolk County, New York, United States

Islip, NY

Wikimedia Commons

Trip Overview

Delevan to Islip is 396.9 miles and takes about 8h 17m via Southern Tier Expressway, Keystone Shortway, and I 81, with a fuel budget near $65 and enough daylight to finish in a day. This trip stays within New York, taking you across the state from west to east. It's a highway-focused drive, meaning you'll cover a lot of ground efficiently. This route is best considered an overnight journey to comfortably manage the 8+ hours of driving. With two recommended stops, you can break up the 396.9 miles into manageable segments.

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

198.5 miles from Delevan, NY

A natural place for your longest stop of the day , about 4h 9m into the drive .

Main Roads

Road Distance Duration
Southern Tier Expressway 104.5 mi 2h 2m
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
Genesee Expressway 22.2 mi 25m
State Highway 39 18.1 mi 25m
Nunda-Dansville Road 12.4 mi 16m
Longest stretch: Southern Tier Expressway — 104.5 mi, about 2h 2m

Turn-by-Turn Driving Directions

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

1

Start on Mill Street

142 ft · 9 sec · Mill Street
2

Turn left onto NY 16

0.8 mi · 1 min · North Main Street
3

Continue on NY 16

2.1 mi · 3 min · State Highway 16
4

Turn right onto NY 39

1.1 mi · 2 min · State Route 39
5

Continue on NY 39

2.3 mi · 5 min · West Main Street
6

Continue on NY 39

18 mi · 25 min · State Highway 39
7

Turn right onto NY 436

1.8 mi · 2 min · Denton Corners Road
8

Turn right onto NY 19A; NY 436

2.2 mi · 3 min · NY 19A; NY 436
9

Turn left onto NY 436

0.3 mi · 46 sec · Hamilton Street
10

Turn left onto NY 436

360 ft · 8 sec · Main Street
11

Continue on NY 436

5.6 mi · 8 min · Portage Street
12

Continue on NY 436

1.0 mi · 1 min · Mill Street
13

Continue on NY 436

12 mi · 16 min · Nunda-Dansville Road
14

Continue on NY 436

0.7 mi · 1 min · Ossian Street
15

Turn right onto Spruce Street

0.1 mi · 32 sec · Spruce Street
16

Turn slight right onto NY 36

0.9 mi · 1 min · Clara Barton Street
17

Continue on NY 36

0.1 mi · 11 sec · Hornell Road
18

Take the ramp

0.3 mi · 33 sec
19

Merge onto I 390

22 mi · 25 min · Genesee Expressway
20

Merge onto I 86

105 mi · 2 hr 2 min · Southern Tier Expressway
21

Keep slight right at fork onto I 81

53 mi · 1 hr 3 min · I 81
Toward I 81 South: Scranton Use the straight lane.
22

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.
23

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.
24

Keep slight right at fork onto I 380

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

Keep slight left at fork

1.0 mi · 1 min
Exit 1B Toward I 80 East: Stroudsburg
26

Merge onto I 80

80 mi · 1 hr 37 min · Keystone Shortway
Use the straight / right lanes.
27

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.
28

Keep slight left at fork

0.3 mi · 23 sec
Toward I 95 North: George Washington Bridge, New York City Use the straight / slight right lanes.
29

Keep slight right at fork

0.4 mi · 38 sec
Exit 70A-B Toward Leonia, Teaneck Use the slight right lane.
30

Turn right

0.2 mi · 35 sec
Exit 70A Toward Leonia Use the straight / slight right lanes.
31

Turn straight onto CR 56

454 ft · 9 sec · Degraw Avenue
32

Continue on CR 56

1.1 mi · 2 min · Fort Lee Road
Use the straight / right lanes.
33

Continue on CR 56

469 ft · 13 sec · Main Street
34

Take the ramp

472 ft · 12 sec
Toward George Washington Bridge
35

Merge onto US 1; US 9; US 46

0.3 mi · 28 sec · Bergen Boulevard
Use the straight / slight right lanes.
36

Take the exit

312 ft · 4 sec
Toward George Washington Bridge Upper Level
37

Merge onto I 95 EXPR

0.3 mi · 20 sec · I 95 EXPR
Use the straight / slight right lanes.
38

Keep slight left at fork onto I 95 EXPR

0.8 mi · 1 min · I 95 EXPR
39

Continue on I 95; US 1; US 9

0.6 mi · 1 min · George Washington Bridge (upper level)
Use the straight / slight right lanes.
40

Continue on I 95; US 1

0.7 mi · 1 min · Trans-Manhattan Expressway
41

Continue on I 95; US 1

4.7 mi · 6 min · Cross Bronx Expressway
Use the straight / slight right lanes.
42

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 lanes.
43

Merge onto I 295

0.6 mi · 58 sec · Throgs Neck Expressway
44

Continue on I 295

2.0 mi · 3 min · Throgs Neck Bridge
Use the straight / slight right lanes.
45

Continue on I 295

5.0 mi · 5 min · Clearview Expressway
Use the straight / slight right lanes.
46

Continue on NY 24

0.7 mi · 1 min · Hollis Court Boulevard
Use the straight lane.
47

At end of road, turn left onto NY 24

0.2 mi · 35 sec · Jamaica Avenue
Use the left lane.
48

Turn right onto Hempstead Avenue

0.9 mi · 2 min · Hempstead Avenue
49

Turn right onto 225th Street

228 ft · 9 sec · 225th Street
Use the right lane.
50

Take the ramp

0.2 mi · 28 sec
Toward Cross Island Parkway South, Verrazano Bridge
51

Merge onto CI

1.3 mi · 1 min · Cross Island Parkway
Use the straight / slight right lanes.
52

Take the exit

0.5 mi · 1 min
Exit 25A Toward Southern State Parkway East, Eastern Long Island Use the slight left / straight lanes.
53

Merge onto SO

25 mi · 31 min · Southern State Parkway
Use the straight / slight right lanes.
54

Keep slight left at fork onto SO

0.2 mi · 16 sec · Southern State Parkway
Use the straight / slight right lanes.
55

Take the exit

0.2 mi · 31 sec
Exit 41S Toward Bay Shore Road South, Bay Shore Use the slight right lane.
56

Turn straight onto CR 57

0.5 mi · 1 min · Bay Shore Road
57

Continue on CR 57

0.3 mi · 43 sec · Howells Road
58

Turn straight onto CR 57

341 ft · 6 sec · Sunrise Highway
59

Keep slight right at fork onto CR 57

0.6 mi · 1 min · Howells Road
Toward Howells Road South Use the right lane.
60

Continue on CR 57

0.2 mi · 24 sec · Roosevelt Street
61

Continue on CR 57

0.7 mi · 1 min · 3rd Avenue
62

At end of road, turn left onto NY 27A

1.1 mi · 1 min · East Main Street
63

Continue on Montauk Highway

0.2 mi · 17 sec · Montauk Highway
64

Continue on NY 27A

0.8 mi · 1 min · Main Street
65

Arrive at destination

NY 27A

Trip Plan

Given the 8h 17m estimated duration, splitting this drive over two days is highly recommended. Aim to depart in the morning to maximize daylight for your first leg. With two planned stops, you can find convenient places to rest and refuel. Keep an eye on your fuel gauge, especially during the 104.5-mile stretch on the Southern Tier Expressway, as services might be spaced out. Planning your overnight stop roughly halfway will make for a more relaxed experience.

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 198.5 miles from Delevan, NY, or about 4h 9m into the drive.
The longest continuous stretch on this route runs about 104.5 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 58m in

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

Halfway reset

Around 198.5 miles or 4h 9m 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 198.5 miles or 4h 9m

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 54m

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 Delevan, 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 Delevan, NY

Aim for roughly 198 miles and 4.1 hours of wheel time on this day.

Day 2

Finish the approach into Islip, NY

Aim for roughly 198 miles and 4.1 hours of wheel time on this day.

Your first comfortable stop window is around 87 miles from Delevan, 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 104.5 miles.

Where to Stop

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

town in Rockland County, New York, United States

Mid-route town

Overnight candidate

Ramapo, NY

198 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

Popular next leg

Ramapo, NY to Islip, NY

74.7 mi · 1h 48m

Overnight Options

Night 1

Ramapo, NY

198 mi · about 4.1h in

A practical overnight split lands near Ramapo, NY after about 198 miles or 4.1 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.

Vestal, NY

Meal break

The midpoint is around 198.5 miles from Delevan, 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 104.5 miles.

Overnight split

Hotel stop

For a steadier pace, wrap day one after about 198 miles or 4.1 hours on the road.

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

Heads-up: tricky spots

5 of 38

5 decision points cluster between mile 229.9 and 392.3 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.

9
229.9 mi into trip | ~4h 46m 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
344.5 mi into trip | ~7h 2m 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
344.7 mi into trip | ~7h 3m 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
354.1 mi into trip | ~7h 17m 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
9
392.3 mi into trip | ~8h 8m 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

Fuel & Cost

Regular Gas

$65.33 one way

$130.66 round trip

$4.18/gal 25.4 MPG avg 139 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.52 $70.65 $141.29
premium $4.92 $76.93 $153.85
diesel $5.61 $87.63 $175.26

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

$218–$328

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

Estimated CO2 emission: 138.9 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

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

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 119.1 1 $41.67 $19.05
Efficient EV 99.2 1 $34.73 $15.88
EV Truck/SUV 158.8 1 $55.57 $25.40

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 as of Apr 15, 2026

Origin

Delevan, NY

Afternoon in Delevan on Sunday

Local time

3:17 PM

EDT

Current temp

41°F

Unavailable

Live forecast

Destination

Islip, NY

Afternoon in Islip on Sunday

Local time

3:17 PM

EDT

Current temp

44°F

Unavailable

Live forecast

49°F

Ramapo, NY

198 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

3 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

8h 17m 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.

National Parks Near This Route

Worth a detour if your schedule allows.

General Grant National Memorial

General Grant National Memorial

National Memorial

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...

6 mi from route ~16 min detour Free near mile 342.2
Caution: Lower Crypt Access Subject to Safe Conditions
View on nps.gov
Hamilton Grange National Memorial

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...

7 mi from route ~17 min detour Free near mile 342.2
View on nps.gov
Stonewall National Monument

Stonewall National Monument

National Monument

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 342.2
View on nps.gov
African Burial Ground National Monument

African Burial Ground National Monument

National Monument

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 342.2
View on nps.gov
Fire Island National Seashore

Fire Island National Seashore

National Seashore

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 396.9
View on nps.gov
Castle Clinton National Monument

Castle Clinton National Monument

National Monument

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 ~29 min detour Free near mile 342.2
View on nps.gov

Park data from the National Park Service API. Alerts update every 2 hours.

What kind of drive is this?

This drive is predominantly highway-focused, with 68% of the journey on major expressways. You'll spend a significant portion of your time on the Southern Tier Expressway, Keystone Shortway, and I 81. The longest uninterrupted stretch you'll encounter is 104.5 miles on the Southern Tier Expressway, offering a good period of consistent driving. Expect a generally fast-paced experience, allowing you to make good time across the state.

68% highway — fuel and pacing are the main things to plan.
65 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 104.5 mi on Southern Tier Expressway.

How Hard Is This Drive?

10/10

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 229.9 miles in near US 6.

Driving Effort 10/10

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 38 significant decision points across 396.9 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 229.9 miles (US 6): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 344.5 miles: 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.

Towns Mentioned on Route Signs

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

Between Delevan, 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

229.9 mi in | ~4h 46m | via US 6

Milford

230.7 mi in | ~4h 47m | via I 84; I 380

New York City

344.5 mi in | ~7h 2m

Leonia

344.7 mi in | ~7h 3m

Teaneck

344.7 mi in | ~7h 3m

George Washington Bridge Upper Level

347 mi in | ~7h 7m

Cross Island Parkway South

365.6 mi in | ~7h 33m

Southern State Parkway East

367.1 mi in | ~7h 36m

Eastern Long Island

367.1 mi in | ~7h 36m

About the Cities

Starting in Delevan, NY

Full guide →

Arriving in Islip, NY

Full guide →

Founded 1683

Islip (pronounced "ICE-lip") is a town on Long Island in the state of New York. Located within Suffolk County, the Town of Islip includes the villages of Brightwaters, Islandia, Ocean Beach and Saltaire. It also includes numerous hamlets including Bay Shore and Sayville which are ferry terminals for Fire Island. Other prominent communities are Bayport, Brentwood, Central Islip, Hauppauge, Islip village (the town seat), and Ronkonkoma.

Top landmarks

  • Bayport Aerodrome — airport in Suffolk County, New York, United States
  • Connetquot River State Park Preserve — state park in New York
  • Modesty — oyster-dredging sloop built in Long Island

City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).

Frequently Asked Questions

The longest stretch is about 104.5 miles on Southern Tier Expressway. The full list of main roads is in the Roads section above.

Yes — a 2-day pace is more comfortable than one long haul. A sensible stopping point is after roughly 198 miles on day one.

Expect about $22.55 in tolls one way, starting with George Washington Bridge. Most Northeast and Midwest toll agencies accept E-ZPass; in the West and Texas, transponders like TxTag or FasTrak apply. If you do not have a transponder, cashless tolling plates will mail a bill to the vehicle's registered address — usually with a surcharge, so a rental-car toll pass is often cheaper than paying by mail.

We did not find dedicated rest areas on this route. For a drive this long, plan bathroom and stretch breaks around gas stations, fast-food stops, or small-town downtowns — check the Nearby Places section for options.

It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Islip, NY before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.

Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 2 meaningful breaks. Dedicated rest areas are limited, so plan gas or food stops as your bathroom breaks.

The main spots that need attention: at 229.9 miles (US 6): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 344.5 miles: 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.

Yes — General Grant National Memorial, Hamilton Grange National Memorial and Stonewall National Monument (6 total within detour distance). See the National Parks section for detour distances and tips on detours.

Not recommended in a single day. At 8.3 hours each way, a round trip means 16.6 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Islip, NY before the return drive.

How this page is built

Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, and NPS for national parks. See our methodology for refresh cadence and limitations.

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