How far is Old Bethpage, NY from Brookhaven, NY?
The driving distance from Old Bethpage, NY to Brookhaven, NY is about 32.1 miles (51.6 km), with a travel time of about 00h 45m by car.
- The straight-line flight distance is about 28.1 miles (45.3 km).
- For a round trip, plan for roughly 01h 31m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 45m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Village in Suffolk County, New York, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms Likely
Rain Showers Likely
Driving Route Map
The map below follows the saved road route between Old Bethpage and Brookhaven.
Turn-by-Turn Driving Directions
Step-by-step road directions between Old Bethpage and Brookhaven.
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1
Start on Round Swamp Road
1.4 mi · 3 min · Round Swamp Road
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2
Turn slight right
129 m · 20 sec
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3
Turn straight onto Round Swamp Road
851 ft · 22 sec · Round Swamp Road
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4
Turn right onto South Service Road
56 m · 4 sec · South Service Road
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5
Take the ramp slight left toward I 495 East: Riverhead
1070 ft · 26 sec
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6
Merge slight left onto Long Island Expressway
24.4 mi · 33 min · Long Island Expressway
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7
Take the exit slight right toward CR 16: Horse Block Road, Centereach, Shirley
1308 ft · 28 sec
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8
Turn straight onto Express Drive South
1108 ft · 21 sec · Express Drive South
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9
Turn slight right onto Horseblock Road
4.1 mi · 6 min · Horseblock Road
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10
At the end of the road, turn right onto Montauk Highway
1.4 km · 2 min · Montauk Highway
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11
Turn left onto South Country Road
2057 ft · 50 sec · South Country Road
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12
Arrive at your destination
0 m · 1 sec · South Country Road
Car Route Details
A richer read on the saved driving route between Old Bethpage 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.
Long Island Expressway
Merge slight left onto Long Island Expressway
24.4 mi · 00h 33m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Showers And Thunderstorms Likely leaving Old Bethpage and Rain Showers Likely near Brookhaven.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Old Bethpage to Brookhaven?
The road trip is about 32.1 miles (51.6 km) and usually takes 00h 45m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Islandia is a useful midpoint, sitting about 16 miles from Old Bethpage and 16 miles from Brookhaven.
How much longer is the road route than the straight-line distance?
The direct path is about 28.1 miles (45.3 km), while the road route adds roughly 4 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 4:58 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.53 one way or $9.06 round trip. Estimated CO2 is about 10 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around Old Bethpage and Rain Showers Likely near Brookhaven.
Stop Ideas Near Islandia
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 Islandia.
Stamford Transportation Center
Bridgeport
New Rochelle station
Union Station
Flight Path Map
This map shows the direct air route between Old Bethpage and Brookhaven. Straight-line distance: 28.17 mi (45.33 km).
#1 Old Bethpage
Census-designated place in Nassau County, New York
| Population | 5,523 |
| Coordinates | 40.7626000, -73.4531800 |
| Altitude | 53 |
| 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: 52 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 04m |
| 40 mph (64.37 km/h) | 00h 48m |
| 50 mph (80.47 km/h) | 00h 38m |
| 60 mph (96.56 km/h) | 00h 32m |
| 70 mph (112.65 km/h) | 00h 27m |
| 80 mph (129 km/h) | 00h 23m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.01 | $4.53 | $9.06 |
| Mid-grade | $4.48 | $5.06 | $10.13 |
| Premium | $4.86 | $5.49 | $10.99 |
| Diesel | $4.69 | $5.30 | $10.61 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.