How far is Brookhaven, NY from Sullivan, NY?
The driving distance from Brookhaven, NY to Sullivan, NY is about 323.7 miles (521 km), with a travel time of about 06h 37m by car.
- The straight-line flight distance is about 217.7 miles (350.4 km).
- For a round trip, plan for roughly 13h 15m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 06h 37m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Town in Columbia County, New York, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Brookhaven and Sullivan.
Turn-by-Turn Driving Directions
Step-by-step road directions between Brookhaven and Sullivan.
-
1
Start on South Country Road
1912 ft · 47 sec · South Country Road
-
2
Continue on South Country Road
108 m · 17 sec · South Country Road
-
3
Turn straight onto Montauk Highway
1.3 km · 1 min · Montauk Highway
-
4
Turn left onto Horseblock Road
4.2 mi · 6 min · Horseblock Road
-
5
Turn left onto Express Drive North
873 ft · 15 sec · Express Drive North
-
6
Take the ramp straight toward I 495 WEST: New York
1278 ft · 22 sec
-
7
Merge slight left onto Long Island Expressway
41.4 mi · 56 min · Long Island Expressway
-
8
Take the exit slight right toward Cross Island Parkway, Whitestone Bridge, Kennedy Airport
1267 ft · 27 sec
-
9
Keep slight right to continue on Cross Island Parkway North, Whitestone Bridge
1604 ft · 38 sec
-
10
Merge slight left onto Cross Island Parkway
3.1 mi · 5 min · Cross Island Parkway
-
11
Take the exit slight right toward I 295 North: Throgs Neck Bridge, Bronx, New England
2905 ft · 1 min
-
12
Merge slight left onto Throgs Neck Bridge
1.8 mi · 3 min · Throgs Neck Bridge
-
13
Continue on Throgs Neck Expressway
1.1 km · 1 min · Throgs Neck Expressway
-
14
Keep slight left to continue on Cross Bronx Expressway
6.6 mi · 9 min · Cross Bronx Expressway
-
15
Keep slight left to continue on Trans-Manhattan Expressway
1.1 km · 1 min · Trans-Manhattan Expressway
-
16
Continue on George Washington Bridge (upper level)
3167 ft · 60 sec · George Washington Bridge (upper level)
-
17
Continue straight
2659 ft · 48 sec
-
18
Keep slight left
3214 ft · 39 sec
-
19
Keep slight left
559 ft · 9 sec
-
20
Take the exit slight right toward I 95 South, NJTP South: Hackensack
1270 ft · 23 sec
-
21
Keep slight right to continue on NJ 4 West: Paramus
970 ft · 24 sec
-
22
Merge slight right
6.7 mi · 9 min
-
23
Take the exit straight toward GSP South, NJ 17 South, GSP North, NJ 17 North: Grand State Plaza, Newark, Mahwah
951 ft · 26 sec
-
24
Keep slight right to continue on NJ 17 North: Mahwah
1302 ft · 37 sec
-
25
Merge slight left
3.3 mi · 4 min
-
26
Continue straight
7.3 mi · 10 min
-
27
Continue straight
1.2 km · 50 sec
-
28
Continue straight
3.3 mi · 4 min
-
29
Continue straight
877 ft · 11 sec
-
30
Keep slight left to continue on I 87 North, NY 17 North, New York State Thruway North: Albany
117.5 mi · 2 hr 16 min
-
31
Keep slight left to continue on New York State Thruway
113.7 mi · 2 hr 11 min · New York State Thruway
-
32
Take the exit slight right toward NY 13: Canastota, Chittenango
1.3 km · 2 min
-
33
Continue straight
107 m · 12 sec
-
34
Turn left onto North Peterboro Street
1.3 mi · 3 min · North Peterboro Street
-
35
Turn right onto Seneca Turnpike
2.7 mi · 4 min · Seneca Turnpike
-
36
Continue on State Route 5
2.2 mi · 3 min · State Route 5
-
37
Turn right onto Canaseraga Road
19 m · 3 sec · Canaseraga Road
-
38
Arrive at your destination
0 m · 1 sec · Canaseraga Road
Car Route Details
A richer read on the saved driving route between Brookhaven and Sullivan.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 87 North
Keep slight left to continue on I 87 North, NY 17 North, New York State Thruway North: Albany
118 mi · 02h 16m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Showers And Thunderstorms leaving Brookhaven and Chance Rain Showers near Sullivan.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Brookhaven to Sullivan?
The road trip is about 323.7 miles (521 km) and usually takes 06h 37m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Germantown is a useful midpoint, sitting about 161.7 miles from Brookhaven and 162 miles from Sullivan.
How much longer is the road route than the straight-line distance?
The direct path is about 217.7 miles (350.4 km), while the road route adds roughly 106 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 7:30 AM EDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $45.78 one way or $91.57 round trip. Estimated CO2 is about 101.5 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Brookhaven and Chance Rain Showers near Sullivan.
Stop Ideas Near Germantown
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 Germantown.
Hudson
Rhinecliff–Kingston station
Poughkeepsie station
Albany–Rensselaer
Flight Path Map
This map shows the direct air route between Brookhaven and Sullivan. Straight-line distance: 217.75 mi (350.44 km).
#1 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 |
#2 Sullivan
City in Madison County, New York, United States of America
| Population | 15,080 |
| Coordinates | 43.0545100, -75.8468600 |
| Altitude | 139 |
| Country | United States |
End: Sullivan (-75.84686, 43.05451)
Estimated Travel Time
Distance: 521 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 47m |
| 40 mph (64.37 km/h) | 08h 05m |
| 50 mph (80.47 km/h) | 06h 28m |
| 60 mph (96.56 km/h) | 05h 23m |
| 70 mph (112.65 km/h) | 04h 37m |
| 80 mph (129 km/h) | 04h 02m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.01 | $45.78 | $91.57 |
| Mid-grade | $4.48 | $51.17 | $102.35 |
| Premium | $4.86 | $55.51 | $111.03 |
| Diesel | $4.69 | $53.61 | $107.21 |
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 25, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.