Origin
Islip, NY
Late night in Islip on Tuesday
Local time
5:00 AM
EDT
Current temp
44°F
Unavailable
Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 21, 2026 · Editorial standards
Drive Time
8h 3m
Distance
396.6 mi
638 km
Drive Score
8/10
Great drive
Same Day?
2-day trip
Fuel Cost
$65
one way
EV Charging
Unknown
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Islip, NY
Wikimedia Commons
Westons Mills, NY
Renan Tagliaferro
Spanning 396.6 miles across New York, this cross-state journey takes you from Islip to Westons Mills. Expect to spend approximately 8 hours and 3 minutes behind the wheel, making this a trek that is best approached as a two-day excursion rather than a single-day push. You should allocate about $65 for your fuel budget to cover the distance. Because this route stays entirely off the major interstates, it offers a distinct Northeast travel experience that favors local roads over high-speed transit. If you prefer a slow-paced trip that prioritizes local navigation over highway efficiency, this route is a solid choice.
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
198.3 miles from Islip, NY
A natural place for your longest stop of the day , about 4h 8m into the drive .
| Road | Distance | Duration |
|---|---|---|
| I 86 | 100 mi | 1h 56m |
| Christopher Columbus Highway | 68.2 mi | 1h 20m |
| Southern Tier Expressway | 60.6 mi | 1h 10m |
| I 81 | 58.1 mi | 1h 9m |
| I 380 | 27.7 mi | 30m |
| Southern State Parkway | 24.7 mi | 31m |
| Keystone Shortway | 17.3 mi | 24m |
| Cross Bronx Expressway | 6.6 mi | 8m |
Step-by-step road directions between Islip, NY and Westons Mills, NY.
Start on NY 27A
Continue on Montauk Highway
Continue on NY 27A
Turn right onto 3rd Avenue
Continue on CR 57
Continue on CR 57
Turn straight onto Sunrise Highway
Keep slight right at fork onto CR 57
Continue on CR 57
Take the ramp
Continue on this road
Merge onto SO
Take the exit
Merge onto CI
Take the exit
Keep slight left at fork
Keep slight right at fork
Keep slight right at fork
Continue on this road
Keep slight left at fork
Turn right onto NY 24
Turn left onto Jamaica Avenue
Turn right onto NY 24
Continue on I 295
Continue on I 295
Continue on I 295
Keep slight left at fork onto I 295
Keep slight left at fork onto I 95; US 1
Continue on I 95; US 1
Continue on I 95 EXPR; US 1 EXPR; US 9 EXPR
Keep slight left at fork onto I 95 EXPR; US 1 EXPR; US 9 EXPR
Keep slight left at fork onto I 95 EXPR; NJTP
Take the exit
Keep slight left at fork
Merge onto I 95; NJTP
Take the exit
Continue on I 80
Keep slight left at fork onto I 80
Keep slight left at fork onto I 80
Take the exit
Continue on I 380
Merge onto I 81
Keep slight left at fork onto I 86; NY 17
Keep slight right at fork onto I 86; NY 17
Turn left onto State Highway 16
Continue on NY 16
Enter roundabout onto NY 16
Continue on NY 16
Enter roundabout onto NY 16
Continue on NY 16
Enter roundabout onto NY 16
Continue on NY 16
Enter roundabout onto NY 16
Continue on NY 16
Enter roundabout onto NY 417
Continue on NY 417
Continue on NY 417
Arrive at destination
Given the 8-hour drive time and the turn-heavy nature of the roads, plan for at least two stops to keep your energy levels up. Aim to break the trip into two manageable days to avoid driver fatigue on these slower, winding stretches. Since you are relying on local roads, check your GPS frequently to ensure you stay on the path through town centers. Departing early in the morning is your best bet to navigate local traffic patterns effectively before the roads get busy. Keep your $65 fuel budget accessible and try to refuel during your two planned stops to avoid searching for stations on unfamiliar local streets.
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 87 miles or 1h 55m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 198.3 miles or 4h 8m 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 198.3 miles or 4h 8m
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 50m
Traffic, exits, and arrival timing usually matter more near Westons Mills, NY than in the middle of the route.
Open the route before leaving Islip, 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 Islip, NY
Aim for roughly 198 miles and 4 hours of wheel time on this day.
Day 2
Finish the approach into Westons Mills, NY
Aim for roughly 198 miles and 4 hours of wheel time on this day.
Rest stops, refuel points, and overnight suggestions along this route.
Mid-route town
Overnight candidate
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, NYNight 1
198 mi · about 4h in
A practical overnight split lands near Ramapo, NY after about 198 miles or 4 hours of driving.
Find hotelsA short stop after about 87 miles helps settle the day before fatigue starts building.
The midpoint is around 198.3 miles from Islip, NY, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before I 86 if your tank is already low. That segment runs about 100 miles.
Overnight split
Hotel stopFor a steadier pace, wrap day one after about 198 miles or 4 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 3.6 and 50.3 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
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
Keep slight left at fork toward NY 24 West: Hempstead Avenue
Highway fork - watch signs carefully. Lane positioning matters here
Keep slight right at fork toward Hempstead Avenue West
Highway fork - watch signs carefully. Lane positioning matters here
Take the exit toward I 95 South, NJTP South: Hackensack
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Keep slight left at fork toward I 95 South, NJTP South: Hackensack
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Regular Gas
$65.28 one way
$130.57 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.52 | $70.59 | $141.18 |
| premium | $4.92 | $76.87 | $153.74 |
| diesel | $5.61 | $87.56 | $175.13 |
Estimated Tolls: $22.83
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: 138.8 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 | $41.64 | $19.04 |
| Efficient EV | 99.2 | 1 | $34.70 | $15.86 |
| EV Truck/SUV | 158.6 | 1 | $55.52 | $25.38 |
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.
Current conditions at both ends of the drive.
Origin
Late night in Islip on Tuesday
Local time
5:00 AM
EDT
Current temp
44°F
Unavailable
Destination
Late night in Westons Mills on Tuesday
Local time
5:00 AM
EDT
Current temp
43°F
Unavailable
63°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
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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Park data from the National Park Service API. Alerts update every 2 hours.
Forget the monotony of the interstate; this route features a 0% highway share, meaning you will be navigating local arteries for the duration of the trip. You will primarily traverse paths like Montauk Highway, Main Street, and 3rd Avenue, which defines the drive as a turn-heavy local experience. Be prepared for constant adjustments and frequent navigation as you weave through the state on smaller roads. This is not a route for cruise control, but rather one that demands your full attention as you transition between local corridors. It provides a grounded, hands-on driving experience that changes significantly as you move away from the coast.
This is a straightforward highway drive that stays mostly on I 86 and Christopher Columbus Highway. 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.
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 396.6 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 3.6 miles (CR 57 / Howells Road): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 31.1 miles: Highway fork - watch signs carefully. Lane positioning matters here; at 31.2 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Islip, NY and Westons Mills, NY, road signs point toward Cross Island Parkway North, Hempstead Avenue West, Grandstand, Upper Level, Njtp South: Hackensack and Hackensack.
Cross Island Parkway North
Hempstead Avenue West
Grandstand
Upper Level
Njtp South: Hackensack
Hackensack
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).
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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