How far is Brookhaven, NY from Old Bethpage, NY?
The driving distance from Brookhaven, NY to Old Bethpage, NY is about 32.1 miles (51.7 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.
This departure sits inside the recommended comfort window for the route.
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.
Rain Showers Likely
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Brookhaven and Old Bethpage.
Turn-by-Turn Driving Directions
Step-by-step road directions between Brookhaven and Old Bethpage.
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1
Start on South Country Road
1912 ft · 47 sec · South Country Road
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2
Continue on South Country Road
108 m · 17 sec · South Country Road
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3
Turn straight onto Montauk Highway
1.3 km · 1 min · Montauk Highway
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4
Turn left onto Horseblock Road
4.2 mi · 6 min · Horseblock Road
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5
Turn left onto Express Drive North
873 ft · 15 sec · Express Drive North
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6
Take the ramp straight toward I 495 WEST: New York
1278 ft · 22 sec
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7
Merge slight left onto Long Island Expressway
24.2 mi · 32 min · Long Island Expressway
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8
Take the exit slight right toward Round Swamp Road, Old Bethpage, Farmingdale
1230 ft · 26 sec
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9
Turn straight onto North Service Road
118 m · 16 sec · North Service Road
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10
Turn left onto Round Swamp Road
1464 ft · 35 sec · Round Swamp Road
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11
Turn left onto Round Swamp Road
1.4 mi · 3 min · Round Swamp Road
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12
Arrive at your destination
0 m · 1 sec · Round Swamp Road
Car Route Details
A richer read on the saved driving route between Brookhaven and Old Bethpage.
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
24.2 mi · 00h 32m
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.
Rain Showers Likely leaving Brookhaven and Showers And Thunderstorms Likely near Old Bethpage.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Brookhaven to Old Bethpage?
The road trip is about 32.1 miles (51.7 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 Brookhaven and 16.1 miles from Old Bethpage.
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 Rain Showers Likely around Brookhaven and Showers And Thunderstorms Likely near Old Bethpage.
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 Brookhaven and Old Bethpage. Straight-line distance: 28.17 mi (45.33 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 Old Bethpage
Census-designated place in Nassau County, New York
| Population | 5,523 |
| Coordinates | 40.7626000, -73.4531800 |
| Altitude | 53 |
| Country | United States |
End: Old Bethpage (-73.45318, 40.7626)
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 24m |
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.