How far is Mamaroneck, NY from Brookhaven, NY?
The driving distance from Mamaroneck, NY to Brookhaven, NY is about 70.1 miles (112.8 km), with a travel time of about 01h 22m by car.
- The straight-line flight distance is about 44.3 miles (71.3 km).
- For a round trip, plan for roughly 02h 45m 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 01h 22m.
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.
Census-designated place in Nassau County, New York
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Partly Sunny then Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Mamaroneck and Brookhaven.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mamaroneck and Brookhaven.
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1
Start on East Boston Post Road
2.6 mi · 5 min · East Boston Post Road
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2
Continue on East Main Street
3144 ft · 1 min · East Main Street
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3
Continue on Huguenot Street
1211 ft · 25 sec · Huguenot Street
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4
Turn right onto River Street
1649 ft · 37 sec · River Street
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5
Continue on Cedar Street
113 m · 7 sec · Cedar Street
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6
Take the ramp straight toward I 95 South: New York
853 ft · 21 sec
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7
Merge slight left onto New England Thruway
5.8 mi · 8 min · New England Thruway
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8
Continue on Bruckner Expressway
1.3 mi · 2 min · Bruckner Expressway
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9
Keep slight left to continue on Throgs Neck Expressway
2.2 mi · 3 min · Throgs Neck Expressway
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10
Continue on Throgs Neck Bridge
2 mi · 3 min · Throgs Neck Bridge
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11
Continue on Clearview Expressway
3.2 mi · 3 min · Clearview Expressway
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12
Take the exit slight right toward I 495: Manhattan, Eastern Long Island
810 ft · 28 sec
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13
Keep slight left to continue on I 495 East: Long Island Expressway, Eastern Long Island
1448 ft · 39 sec
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14
Merge slight left onto Long Island Expressway
43.5 mi · 59 min · Long Island Expressway
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15
Take the exit slight right toward CR 16: Horse Block Road, Centereach, Shirley
1308 ft · 28 sec
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16
Turn straight onto Express Drive South
1108 ft · 21 sec · Express Drive South
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17
Turn slight right onto Horseblock Road
4.1 mi · 6 min · Horseblock Road
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18
At the end of the road, turn right onto Montauk Highway
1.4 km · 2 min · Montauk Highway
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19
Turn left onto South Country Road
2057 ft · 50 sec · South Country Road
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20
Arrive at your destination
0 m · 1 sec · South Country Road
Car Route Details
A richer read on the saved driving route between Mamaroneck and Brookhaven.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Long Island Expressway
Merge slight left onto Long Island Expressway
43.5 mi · 00h 59m
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.
Chance Rain Showers leaving Mamaroneck and Partly Sunny then Slight Chance Rain Showers near Brookhaven.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Mamaroneck to Brookhaven?
The road trip is about 70.1 miles (112.8 km) and usually takes 01h 22m 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?
Hicksville is a useful midpoint, sitting about 34.1 miles from Mamaroneck and 36 miles from Brookhaven.
How much longer is the road route than the straight-line distance?
The direct path is about 44.3 miles (71.3 km), while the road route adds roughly 25.8 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 3:44 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.94 one way or $19.88 round trip. Estimated CO2 is about 22 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Mamaroneck and Partly Sunny then Slight Chance Rain Showers near Brookhaven.
Stop Ideas Near Hicksville
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Town of Babylon History Museum at Old Town Hall
Babylon Town Hall Annex
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Hicksville.
New Rochelle station
Stamford Transportation Center
Yonkers station
Pennsylvania Station
Flight Path Map
This map shows the direct air route between Mamaroneck and Brookhaven. Straight-line distance: 44.28 mi (71.26 km).
#1 Mamaroneck
Town in Westchester County, New York
| Population | 29,343 |
| Coordinates | 40.9487100, -73.7326300 |
| Altitude | 0 |
| 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: 113 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 20m |
| 40 mph (64.37 km/h) | 01h 45m |
| 50 mph (80.47 km/h) | 01h 24m |
| 60 mph (96.56 km/h) | 01h 10m |
| 70 mph (112.65 km/h) | 01h 00m |
| 80 mph (129 km/h) | 00h 52m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.01 | $9.94 | $19.88 |
| Mid-grade | $4.48 | $11.11 | $22.23 |
| Premium | $4.86 | $12.06 | $24.11 |
| Diesel | $4.69 | $11.64 | $23.28 |
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 22, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.