Tonawanda, NY to Islip, NY is 426.2 miles and takes about 8h 58m via New York State Thruway, I 81, and Keystone Shortway, with a fuel budget near $71 and enough daylight to finish in a day. This trip stays within New York, connecting two points in the Northeast region. With a recommended two days for travel, you'll find a mix of highway cruising and surface road driving. It's a solid option if you're looking for a straightforward drive across the state.
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
213.1 miles from Tonawanda, NY
A natural place for your longest stop of the day
, about 4h 32m into the drive
.
Main Roads
Road
Distance
Duration
New York State Thruway
99.4 mi
1h 54m
I 81
98.8 mi
1h 57m
Keystone Shortway
80 mi
1h 37m
Southern State Parkway
24.7 mi
31m
I 380
23.6 mi
25m
East Lake Road
9.9 mi
14m
State Highway 41
9.8 mi
13m
Clark Street Road
9.6 mi
11m
Longest stretch:
New York State Thruway
— 99.4 mi, about 1h 54m
Traffic on I-80
Hour-of-day weekday pattern from 336 FHWA count stations on your route.
Peak
3 PM
~4,190 veh/hr typical
· worst 4,979
Quietest
1 AM
~446 veh/hr
Peak-to-quiet ratio
9.4×
busier at peak than in the quiet hours
12a6anoon6p11p
Averaged across 103 weeks of 2023 FHWA Travel Monitoring Analysis System data. Weekday hours only (Mon–Fri).
Turn-by-Turn Driving Directions
Step-by-step road directions between Tonawanda, NY and Islip, NY.
1
Start on NY 265
0.1 mi·28 sec·Seymour Street
2
Turn left onto Broad Street
0.3 mi·42 sec·Broad Street
3
Continue on Young Street
0.8 mi·2 min·Young Street
4
Turn left
0.1 mi·28 sec
5
Turn straight onto NY 425
0.9 mi·1 min·Twin Cities Memorial Highway
6
Take the ramp
0.2 mi·30 sec
Toward I 290 East
7
Merge onto I 290
6.3 mi·8 min·Youngmann Expressway
8
Keep slight left at fork
0.6 mi·57 sec
Exit 1-49Toward I 90 East: AlbanyUse the slight left / slight right lanes.
9
Merge onto I 90
99 mi·1 hr 54 min·New York State Thruway
10
Take the exit
0.5 mi·58 sec
Exit 41Toward NY 414: Waterloo, ClydeUse the slight right lane.
11
Keep slight right at fork
327 ft·7 sec
12
Continue on NY 414
0.3 mi·35 sec·State Route 414
13
Turn left onto NY 318
4.1 mi·7 min·NY 318
Use the left lane.
14
At end of road, turn left onto US 20; NY 5
1.9 mi·2 min·Auburn Road
15
Continue on US 20; NY 5
9.6 mi·11 min·Clark Street Road
Use the straight lane.
16
Turn right onto State Street
226 ft·12 sec·State Street
17
Turn left onto Dill Street
0.1 mi·21 sec·Dill Street
18
Continue on Loop Road
458 ft·16 sec·Loop Road
19
Turn left onto Genesee Street
5.5 mi·9 min·Genesee Street
20
Continue on US 20
2.2 mi·4 min·West Genesee Street Road
21
Turn right onto NY 41
0.5 mi·45 sec·East Lake Street
22
Continue on NY 41
9.4 mi·13 min·East Lake Road
23
Continue on NY 41
4.8 mi·7 min·State Route 41
24
Continue on NY 41
0.5 mi·49 sec·East Lake Road
25
Continue on NY 41
9.8 mi·13 min·State Highway 41
26
Turn right onto NY 281
1.2 mi·2 min·North West Street
27
Take the ramp
0.7 mi·1 min
Use the left lane.
28
Keep slight right at fork
0.3 mi·34 sec
Toward I 81 South: Binghamton
29
Merge onto I 81
45 mi·54 min·I 81
Use the straight / slight right lanes.
30
Keep slight right at fork onto I 81
53 mi·1 hr 3 min·I 81
Toward I 81 South: ScrantonUse the straight lane.
31
Keep slight right at fork onto US 6
0.8 mi·1 min·US 6
Exit 187Toward I 84 East, I 380 South, US 6 East: Carbondale, Mt PoconoUse the slight left / slight right lanes.
32
Continue on I 84; I 380
3.7 mi·4 min·I 84; I 380
Toward I 84 East, I 380 South: Mount Pocono, MilfordUse the straight lane.
33
Keep slight right at fork onto I 380
24 mi·25 min·I 380
Exit 4Toward I 380 South: Mount Pocono
34
Keep slight left at fork
1.0 mi·1 min
Exit 1BToward I 80 East: Stroudsburg
35
Merge onto I 80
80 mi·1 hr 37 min·Keystone Shortway
Use the straight / right lanes.
36
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.
37
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.
38
Keep slight right at fork
0.4 mi·38 sec
Exit 70A-BToward Leonia, TeaneckUse the slight right lane.
39
Turn right
0.2 mi·35 sec
Exit 70AToward LeoniaUse the straight / slight right lanes.
40
Turn straight onto CR 56
454 ft·9 sec·Degraw Avenue
41
Continue on CR 56
1.1 mi·2 min·Fort Lee Road
Use the straight / right lanes.
42
Continue on CR 56
469 ft·13 sec·Main Street
43
Take the ramp
472 ft·12 sec
Toward George Washington Bridge
44
Merge onto US 1; US 9; US 46
0.3 mi·28 sec·Bergen Boulevard
Use the straight / slight right lanes.
45
Take the exit
312 ft·4 sec
Toward George Washington Bridge Upper Level
46
Merge onto I 95 EXPR
0.3 mi·20 sec·I 95 EXPR
Use the straight / slight right lanes.
47
Keep slight left at fork onto I 95 EXPR
0.8 mi·1 min·I 95 EXPR
48
Continue on I 95; US 1; US 9
0.6 mi·1 min·George Washington Bridge (upper level)
Use the straight / slight right lanes.
49
Continue on I 95; US 1
0.7 mi·1 min·Trans-Manhattan Expressway
50
Continue on I 95; US 1
4.7 mi·6 min·Cross Bronx Expressway
Use the straight / slight right lanes.
51
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.
52
Merge onto I 295
0.6 mi·58 sec·Throgs Neck Expressway
53
Continue on I 295
2.0 mi·3 min·Throgs Neck Bridge
Use the straight / slight right lanes.
54
Continue on I 295
5.0 mi·5 min·Clearview Expressway
Use the straight / slight right lanes.
55
Continue on NY 24
0.7 mi·1 min·Hollis Court Boulevard
Use the straight lane.
56
At end of road, turn left onto NY 24
0.2 mi·35 sec·Jamaica Avenue
Use the left lane.
57
Turn right onto Hempstead Avenue
0.9 mi·2 min·Hempstead Avenue
58
Turn right onto 225th Street
228 ft·9 sec·225th Street
Use the right lane.
59
Take the ramp
0.2 mi·28 sec
Toward Cross Island Parkway South, Verrazano Bridge
60
Merge onto CI
1.3 mi·1 min·Cross Island Parkway
Use the straight / slight right lanes.
61
Take the exit
0.5 mi·1 min
Exit 25AToward Southern State Parkway East, Eastern Long IslandUse the slight left / straight lanes.
62
Merge onto SO
25 mi·31 min·Southern State Parkway
Use the straight / slight right lanes.
63
Keep slight left at fork onto SO
0.2 mi·16 sec·Southern State Parkway
Use the straight / slight right lanes.
64
Take the exit
0.2 mi·31 sec
Exit 41SToward Bay Shore Road South, Bay ShoreUse the slight right lane.
65
Turn straight onto CR 57
0.5 mi·1 min·Bay Shore Road
66
Continue on CR 57
0.3 mi·43 sec·Howells Road
67
Turn straight onto CR 57
341 ft·6 sec·Sunrise Highway
68
Keep slight right at fork onto CR 57
0.6 mi·1 min·Howells Road
Toward Howells Road SouthUse the right lane.
69
Continue on CR 57
0.2 mi·24 sec·Roosevelt Street
70
Continue on CR 57
0.7 mi·1 min·3rd Avenue
71
At end of road, turn left onto NY 27A
1.1 mi·1 min·East Main Street
72
Continue on Montauk Highway
0.2 mi·17 sec·Montauk Highway
73
Continue on NY 27A
0.8 mi·1 min·Main Street
74
Arrive at destination
NY 27A
Trip Plan
Given the 8h 58m estimated drive time and 426.2 miles, it's best to break this trip into two days. Plan to leave Tonawanda in the morning, aiming to cover roughly half the distance on your first day. You'll have two recommended stops along the way, so use these to stretch your legs and refuel. Keep an eye on your fuel gauge, especially as you move onto the Keystone Shortway, which might have fewer services than the major interstates. The total fuel cost is estimated at $71.
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 213.1 miles from Tonawanda, NY, or about 4h 32m into the drive.
The longest continuous stretch on this route runs about 99.4 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 1h 53m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 213.1 miles or 4h 32m 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 213.1 miles or 4h 32m
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 34m
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 Tonawanda, 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 Tonawanda, NY
Aim for roughly 213 miles and 4.5 hours of wheel time on this day.
Day 2
Finish the approach into Islip, NY
Aim for roughly 213 miles and 4.5 hours of wheel time on this day.
Your first comfortable stop window is around 94 miles from Tonawanda, 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 New York State Thruway for about 99.4 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 46
5 decision points cluster between mile 8.8 and 421.6 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
8
8.8 mi into trip|~14m in
Keep slight left at fork toward I 90 East: Albany
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight left / slight right lanes.
Exit 1-49
Toward I 90 East: Albany
8
108.9 mi into trip|~2h 10m in
Take the exit toward NY 414: Waterloo, Clyde
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 41
Toward NY 414: Waterloo, Clyde
9
259.1 mi into trip|~5h 26m 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...
9
374 mi into trip|~7h 43m 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
9
421.6 mi into trip|~8h 49m 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
$75.29 one way
$150.58 round trip
$4.49/gal25.4 MPG avg149 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.86
$81.46
$162.93
premium
$5.28
$88.53
$177.06
diesel
$6.18
$103.68
$207.36
Estimated Tolls: $27.52
George Washington Bridge
$16.00
Throgs Neck Bridge
$6.55
New York State Thruway
(99.4 mi)$4.97
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
$75
Tolls
$28
Hotel (1n)
$80–$140
Meals
$50–$100
Total
$233–$343
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 149.1 kg one way.
Prices: EIA weekly data, 2026-10-12.
Driving Electric?
About $45 in charging
· 1 stop
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
127.9
1
$44.75
$20.46
Efficient EV
106.6
1
$37.29
$17.05
EV Truck/SUV
170.5
2
$59.67
$27.28
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 Oct 19, 2026
Origin
Tonawanda, NY
Late night
in Tonawanda on Tuesday
Local time
1:56 AM
EDT
Current temp
42°F
Clear
S 6 mph0% chanceLive forecast
Destination
Islip, NY
Late night
in Islip on Tuesday
Local time
1:56 AM
EDT
Current temp
43°F
Clear
NE 6 mph0% chanceLive forecast
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
1 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 58m 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.
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 382.1
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 382.1
Women’s Rights National Historical Park tells the story of the first Women’s Rights Convention, held in Seneca Falls, New York on July 19-20, 1848. It is a story of struggles for civil rights, human r...
6 mi from route
~15 min detour
Free
near mile 117.6
Harriet Tubman was guided by a deep faith and devotion to family, freedom, and community. After emancipating herself and members of her family, she moved them from Ontario, Canada to Fleming and Aubur...
7 mi from route
~18 min detour
Free
near mile 132.3
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 382.1
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
~27 min detour
Free
near mile 382.1
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
This drive features 45% highway driving, with the longest continuous stretch on the New York State Thruway covering 99.4 miles. The majority of the route, however, is on surface roads, so expect more frequent changes in speed limits and traffic patterns. You'll likely notice a shift from faster highway speeds to more typical town speeds as you transition off the main interstates.
Only 45% highway — the rest is turn-by-turn surface driving.
74 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 99.4 mi on New York State Thruway.
How Hard Is This Drive?
10/10
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 8.8 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 46 significant decision points across 426.2 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 8.8 miles: Highway fork - watch signs carefully. Lane positioning matters here; at 108.9 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 259.1 miles (US 6): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Elevation Profile
Gently rolling terrain
1,800 ft12 ft
Total Climb
2,516 ft
Total Descent
3,082 ft
Highest Point
1,800 ft
~288.4 mi in
Elevation Range
1,788 ft
Notable High Points
890 ft at ~352.5 miles+555 ft prominence
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Tonawanda, NY and Islip, NY, road signs point toward Clyde, Mt Pocono, Milford, New York City, Leonia and Teaneck - among others.
Tonawanda is the name of both a city in the Northtowns of Erie County, New York, and the unincorporated suburban township that surrounds it. The incorporated village of Kenmore also makes up part of the Town of Tonawanda. All three of these places are covered in this article.
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
Mostly surface roads route profile with national parks nearby.
Frequently Asked Questions
The longest stretch is about 99.4 miles on New York State Thruway. 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 213 miles on day one.
Expect about $27.52 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.
Yes — we found about 39 rest areas or service plazas within a short detour of the route (from OpenStreetMap). See the Rest Stops tab under Nearby Places for locations and mile markers. Plan to stretch, use the bathroom, and top off fluids every 2–3 hours on longer drives.
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. There are 39 rest areas along the route for bathroom stops.
The main spots that need attention: at 8.8 miles: Highway fork - watch signs carefully. Lane positioning matters here; at 108.9 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 259.1 miles (US 6): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Yes — Hamilton Grange National Memorial, General Grant National Memorial and Women's Rights National Historical Park (6 total within detour distance). See the National Parks section for detour distances and tips on detours.
Not recommended in a single day. At 9.0 hours each way, a round trip means 17.9 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.
