Origin
Clarendon, NY
Late night in Clarendon on Sunday
Local time
12:38 AM
EDT
Current temp
42°F
Unavailable
Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards
Drive Time
8h 15m
Distance
387.2 mi
623 km
Drive Score
9/10
Great drive
Same Day?
2-day trip
Fuel Cost
$64
one way
EV Charging
Unknown
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Clarendon, NY
Renan Tagliaferro
Islip, NY
Wikimedia Commons
This 387.2-mile journey from Clarendon, NY to Islip, NY will take approximately 8 hours and 15 minutes of driving time. With a 55% highway share, it's a manageable trip that is best split over two days, especially given its turn-heavy local drive profile. Budget around $64 for fuel, and plan for at least two stops along the way. The route primarily utilizes I 81, the Keystone Shortway, and the New York State Thruway, offering a mix of driving experiences as you traverse the Northeast region. This drive is well-suited for those who prefer a more engaged driving experience over a purely interstate haul.
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
193.6 miles from Clarendon, NY
A natural place for your longest stop of the day , about 4h 12m into the drive .
| Road | Distance | Duration |
|---|---|---|
| I 81 | 98.8 mi | 1h 57m |
| Keystone Shortway | 80 mi | 1h 37m |
| New York State Thruway | 30 mi | 34m |
| Southern State Parkway | 24.7 mi | 31m |
| I 380 | 23.6 mi | 25m |
| Western Expressway | 20.1 mi | 26m |
| East Lake Road | 9.9 mi | 14m |
| State Highway 41 | 9.8 mi | 13m |
Step-by-step road directions between Clarendon, NY and Islip, NY.
Start on NY 237
Turn right onto NY 31A
Continue on NY 31
Continue on NY 531
Keep slight left at fork
Merge onto I 490
Keep slight left at fork
Merge onto I 90
Take the exit
Keep slight right at fork
Continue on NY 414
Turn left onto NY 318
At end of road, turn left onto US 20; NY 5
Continue on US 20; NY 5
Turn right onto State Street
Turn left onto Dill Street
Continue on Loop Road
Turn left onto Genesee Street
Continue on US 20
Turn right onto NY 41
Continue on NY 41
Continue on NY 41
Continue on NY 41
Continue on NY 41
Turn right onto NY 281
Take the ramp
Keep slight right at fork
Merge onto I 81
Keep slight right at fork onto I 81
Keep slight right at fork onto US 6
Continue on I 84; I 380
Keep slight right at fork onto I 380
Keep slight left at fork
Merge onto I 80
Keep slight right at fork onto I 80
Keep slight left at fork
Keep slight right at fork
Turn right
Turn straight onto CR 56
Continue on CR 56
Continue on CR 56
Take the ramp
Merge onto US 1; US 9; US 46
Take the exit
Merge onto I 95 EXPR
Keep slight left at fork onto I 95 EXPR
Continue on I 95; US 1; US 9
Continue on I 95; US 1
Continue on I 95; US 1
Keep slight right at fork onto I 295
Merge onto I 295
Continue on I 295
Continue on I 295
Continue on NY 24
At end of road, turn left onto NY 24
Turn right onto Hempstead Avenue
Turn right onto 225th Street
Take the ramp
Merge onto CI
Take the exit
Merge onto SO
Keep slight left at fork onto SO
Take the exit
Turn straight onto CR 57
Continue on CR 57
Turn straight onto CR 57
Keep slight right at fork onto CR 57
Continue on CR 57
Continue on CR 57
At end of road, turn left onto NY 27A
Continue on Montauk Highway
Continue on NY 27A
Arrive at destination
To make the most of this 387.2-mile drive, consider departing early in the morning to maximize daylight hours. Since this trip is recommended for two days, plan your overnight stop around the halfway point to break up the 8 hours and 15 minutes of driving. You'll have a longest stretch of 98.8 miles on I 81, so be sure to fuel up before entering that segment. With a $64 estimated fuel cost, keep an eye on gas prices as you plan your stops to manage expenses effectively.
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.
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 85 miles or 1h 48m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 193.6 miles or 4h 12m 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 193.6 miles or 4h 12m
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 51m
Traffic, exits, and arrival timing usually matter more near Islip, NY than in the middle of the route.
Open the route before leaving Clarendon, 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 Clarendon, NY
Aim for roughly 194 miles and 4.1 hours of wheel time on this day.
Day 2
Finish the approach into Islip, NY
Aim for roughly 194 miles and 4.1 hours of wheel time on this day.
Rest stops, refuel points, and overnight suggestions along this route.
Mid-route town
Overnight candidate
194 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, NYNight 1
194 mi · about 4.1h in
A practical overnight split lands near Ramapo, NY after about 194 miles or 4.1 hours of driving.
Find hotelsA short stop after about 85 miles helps settle the day before fatigue starts building.
The midpoint is around 193.6 miles from Clarendon, NY, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before I 81 if your tank is already low. That segment runs about 98.8 miles.
Overnight split
Hotel stopFor a steadier pace, wrap day one after about 194 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.
5 decision points cluster between mile 69.9 and 382.6 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
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
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
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
Keep slight right at fork toward Leonia, Teaneck
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
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
Regular Gas
$63.74 one way
$127.47 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.52 | $68.92 | $137.84 |
| premium | $4.92 | $75.05 | $150.09 |
| diesel | $5.61 | $85.49 | $170.98 |
Estimated Tolls: $24.05
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
$64
Tolls
$24
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: 135.5 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $41 in charging · 1 stop · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 116.2 | 1 | $40.66 | $18.59 |
| Efficient EV | 96.8 | 1 | $33.88 | $15.49 |
| EV Truck/SUV | 154.9 | 1 | $54.21 | $24.78 |
Gas CO2
135 kg
EV CO2
45 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.
Current conditions at both ends of the drive.
Origin
Late night in Clarendon on Sunday
Local time
12:38 AM
EDT
Current temp
42°F
Unavailable
Destination
Late night in Islip on Sunday
Local time
12:38 AM
EDT
Current temp
78°F
Mostly Sunny
49°F
Ramapo, NY
194 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
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
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.
Worth a detour if your schedule allows.
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National Monument
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Park data from the National Park Service API. Alerts update every 2 hours.
Expect a dynamic drive with a 'turn-heavy local drive' profile, meaning it's not a straight shot of monotonous highway. While 55% of the route is on major highways like I 81 and the New York State Thruway, you'll also navigate other roads. The longest uninterrupted stretch is 98.8 miles on I 81, offering a period of consistent travel. The character of the drive will shift, transitioning between faster highway sections and more involved local road segments, requiring your attention throughout the 8-hour-plus duration.
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 69.9 miles in.
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 45 significant decision points across 387.2 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 69.9 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 220.2 miles (US 6): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 334.7 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Clarendon, NY and Islip, NY, road signs point toward Clyde, Mt Pocono, Milford, New York City, Leonia and Teaneck - among others.
Clyde
Mt Pocono
Milford
New York City
Leonia
Teaneck
George Washington Bridge Upper Level
Cross Island Parkway South
Southern State Parkway East
Eastern Long Island
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
City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).
Solo Traveler
8h 15m drive, plan rest stops for pacing.
Scenic Drive
Mostly surface roads route profile with national parks nearby.
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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