How far is Great River, NY from Brookhaven, NY?
The driving distance from Great River, NY to Brookhaven, NY is about 18.2 miles (29.3 km), with a travel time of about 00h 27m by car.
- The straight-line flight distance is about 13.3 miles (21.4 km).
- For a round trip, plan for roughly 00h 55m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 27m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
Census-designated place in Suffolk County, New York
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Great River and Brookhaven.
Turn-by-Turn Driving Directions
Step-by-step road directions between Great River and Brookhaven.
-
1
Start on New Street
16 m · 8 sec · New Street
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2
Turn left onto Woodhollow Road
1230 ft · 55 sec · Woodhollow Road
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3
Turn right onto River Road
1577 ft · 43 sec · River Road
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4
Take the ramp slight right toward Heckscher Parkway west
1483 ft · 36 sec
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5
Merge slight left onto Heckscher State Parkway
1.7 mi · 2 min · Heckscher State Parkway
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6
Take the exit slight right toward NY 27 East: Montauk
760 ft · 16 sec
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7
Continue on NY 27 East: Montauk
140 m · 11 sec
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8
Turn straight onto Sunrise Highway
1726 ft · 33 sec · Sunrise Highway
-
9
Take the ramp straight toward NY 27 East: Montauk
1704 ft · 42 sec
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10
Merge slight left onto Sunrise Highway
13.5 mi · 18 min · Sunrise Highway
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11
Take the exit slight right toward CR 21 South: Yaphank Avenue, Brookhaven
150 m · 19 sec
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12
Turn left onto Sunrise Hwy South Service Road
130 m · 16 sec · Sunrise Hwy South Service Road
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13
Turn right onto Yaphank Avenue
1426 ft · 43 sec · Yaphank Avenue
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14
Turn right onto Montauk Highway
2741 ft · 58 sec · Montauk Highway
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15
Turn left onto South Country Road
2057 ft · 50 sec · South Country Road
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16
Arrive at your destination
0 m · 1 sec · South Country Road
Car Route Details
A richer read on the saved driving route between Great River and Brookhaven.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Sunrise Highway
Merge slight left onto Sunrise Highway
13.5 mi · 00h 18m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Sunny leaving Great River and Sunny near Brookhaven.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Great River to Brookhaven?
The road trip is about 18.2 miles (29.3 km) and usually takes 00h 27m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Blue Point is a useful midpoint, sitting about 9.1 miles from Great River and 9.1 miles from Brookhaven.
How much longer is the road route than the straight-line distance?
The direct path is about 13.3 miles (21.4 km), while the road route adds roughly 4.9 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:34 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.57 one way or $5.13 round trip. Estimated CO2 is about 5.7 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Great River and Sunny near Brookhaven.
Stop Ideas Near Blue Point
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Town of Babylon History Museum at Old Town Hall
Brookhaven Town Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Blue Point.
Bridgeport
Stamford Transportation Center
Union Station
New Rochelle station
Flight Path Map
This map shows the direct air route between Great River and Brookhaven. Straight-line distance: 13.3 mi (21.4 km).
#1 Great River
Census-designated place in Suffolk County, New York
| Population | 1,489 |
| Coordinates | 40.7212100, -73.1576100 |
| Altitude | 4 |
| 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: Brookhaven (-72.91538, 40.77927)
Estimated Travel Time
Distance: 29 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 36m |
| 40 mph (64.37 km/h) | 00h 27m |
| 50 mph (80.47 km/h) | 00h 21m |
| 60 mph (96.56 km/h) | 00h 18m |
| 70 mph (112.65 km/h) | 00h 15m |
| 80 mph (129 km/h) | 00h 13m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.01 | $2.57 | $5.13 |
| Mid-grade | $4.48 | $2.87 | $5.74 |
| Premium | $4.86 | $3.11 | $6.22 |
| Diesel | $4.69 | $3.00 | $6.01 |
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 · Apr 11, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.