How far is Williamstown, NY from Brookhaven, NY?
The driving distance from Williamstown, NY to Brookhaven, NY is about 343.6 miles (552.9 km), with a travel time of about 05h 50m by car.
- The straight-line flight distance is about 238 miles (383 km).
- For a round trip, plan for roughly 11h 40m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 05h 50m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Town in New York state, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Williamstown and Brookhaven.
Turn-by-Turn Driving Directions
Step-by-step road directions between Williamstown and Brookhaven.
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1
Start on the route
7 m · 7 sec
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2
Turn left onto Cox Road
23 m · 8 sec · Cox Road
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3
Turn left onto State Highway 13
7.3 mi · 11 min · State Highway 13
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4
Continue on Westdale Road
1725 ft · 29 sec · Westdale Road
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5
Continue on State Highway 13
1.1 mi · 2 min · State Highway 13
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6
Continue on Oswego Street
1.1 km · 1 min · Oswego Street
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7
Continue on Main Street
1108 ft · 37 sec · Main Street
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8
Turn left onto Union Street
2026 ft · 1 min · Union Street
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9
Turn left onto Church Street
134 m · 13 sec · Church Street
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10
Continue on Taberg Street
2317 ft · 44 sec · Taberg Street
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11
Continue on State Highway 69
7.4 mi · 10 min · State Highway 69
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12
Continue on Rome-Taberg Road
7.3 mi · 11 min · Rome-Taberg Road
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13
Continue on Erie Boulevard West
3.4 mi · 7 min · Erie Boulevard West
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14
Keep slight left
1.2 km · 1 min
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15
Continue straight
13.6 mi · 16 min
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16
Continue straight
998 ft · 13 sec
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17
Take the exit slight right toward Genesee Street South
840 ft · 18 sec
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18
Keep slight left to continue on I 90
1.2 km · 2 min
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19
Keep slight right to continue on I 90 East
1766 ft · 43 sec
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20
Merge slight left onto New York State Thruway
83.7 mi · 1 hr 37 min · New York State Thruway
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21
Keep slight right to continue on New York State Thruway
118.2 mi · 2 hr 16 min · New York State Thruway
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22
Keep slight right to continue on I 287 South, NJ 17 South: New Jersey
1.5 km · 60 sec
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23
Continue straight
2496 ft · 39 sec
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24
Keep slight left to continue on NJ 17 South: Mahwah
14.1 mi · 19 min
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25
Take the exit slight right toward NJ 4, GSP South: Paterson, Fort Lee, New York
566 ft · 19 sec
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26
Keep slight left to continue on NJ 4 East: Fort Lee, New York
2455 ft · 1 min
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27
Merge slight left
1417 ft · 24 sec
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28
Continue straight
6.4 mi · 9 min
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29
Take the exit slight left toward I 95 North: George Washington Bridge
1124 ft · 18 sec
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30
Merge slight left
1.2 km · 55 sec
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31
Keep slight left
1.3 km · 1 min
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32
Continue on George Washington Bridge (upper level)
3174 ft · 1 min · George Washington Bridge (upper level)
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33
Continue on Trans-Manhattan Expressway
1.2 km · 1 min · Trans-Manhattan Expressway
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34
Continue on Cross Bronx Expressway
4.7 mi · 6 min · Cross Bronx Expressway
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35
Keep slight right to continue on Cross Bronx Expressway
2 mi · 3 min · Cross Bronx Expressway
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36
Merge slight left onto Throgs Neck Expressway
3271 ft · 58 sec · Throgs Neck Expressway
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37
Continue on Throgs Neck Bridge
2 mi · 3 min · Throgs Neck Bridge
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38
Continue on Clearview Expressway
3.2 mi · 3 min · Clearview Expressway
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39
Take the exit slight right toward I 495: Manhattan, Eastern Long Island
810 ft · 28 sec
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40
Keep slight left to continue on I 495 East: Long Island Expressway, Eastern Long Island
1448 ft · 39 sec
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41
Merge slight left onto Long Island Expressway
43.5 mi · 59 min · Long Island Expressway
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42
Take the exit slight right toward CR 16: Horse Block Road, Centereach, Shirley
1308 ft · 28 sec
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43
Turn straight onto Express Drive South
1108 ft · 21 sec · Express Drive South
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44
Turn slight right onto Horseblock Road
4.1 mi · 6 min · Horseblock Road
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45
At the end of the road, turn right onto Montauk Highway
1.4 km · 2 min · Montauk Highway
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46
Turn left onto South Country Road
2057 ft · 50 sec · South Country Road
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47
Arrive at your destination
0 m · 1 sec · South Country Road
Car Route Details
A richer read on the saved driving route between Williamstown and Brookhaven.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
New York State Thruway
Keep slight right to continue on New York State Thruway
118 mi · 02h 16m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Partly Sunny leaving Williamstown and Sunny near Brookhaven.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Williamstown to Brookhaven?
The road trip is about 343.6 miles (552.9 km) and usually takes 05h 50m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Catskill is a useful midpoint, sitting about 167 miles from Williamstown and 176.6 miles from Brookhaven.
How much longer is the road route than the straight-line distance?
The direct path is about 238 miles (383 km), while the road route adds roughly 105.6 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 6:00 AM to 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 5:20 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $48.59 one way or $97.18 round trip. Estimated CO2 is about 107.7 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Williamstown and Sunny near Brookhaven.
Stop Ideas Near Catskill
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Catskill.
Hudson
Rhinecliff–Kingston station
Albany–Rensselaer
Joseph Scelsi Intermodal Transportation Center
Flight Path Map
This map shows the direct air route between Williamstown and Brookhaven. Straight-line distance: 237.96 mi (382.96 km).
#1 Williamstown
Human settlement in Oswego County, New York, United States of America
| Population | 1,241 |
| Coordinates | 43.4239600, -75.8899100 |
| Altitude | 183 |
| Country | United States |
#2 Brookhaven
This town in Suffolk County, New York, is the most populous in the state.
| Population | 479,883 |
| Coordinates | 40.7792700, -72.9153800 |
| Altitude | 3 |
| Country | United States |
End: South Country Road (-72.915343, 40.779251)
Estimated Travel Time
Distance: 553 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 26m |
| 40 mph (64.37 km/h) | 08h 35m |
| 50 mph (80.47 km/h) | 06h 52m |
| 60 mph (96.56 km/h) | 05h 43m |
| 70 mph (112.65 km/h) | 04h 54m |
| 80 mph (129 km/h) | 04h 17m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.01 | $48.59 | $97.18 |
| Mid-grade | $4.48 | $54.31 | $108.62 |
| Premium | $4.86 | $58.92 | $117.83 |
| Diesel | $4.69 | $56.89 | $113.78 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in New York · May 31, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.