How far is Larchmont, NY from Brookhaven, NY?

The driving distance from Larchmont, NY to Brookhaven, NY is about 67 miles (107.9 km), with a travel time of about 01h 19m by car.

  • The straight-line flight distance is about 44.9 miles (72.3 km).
  • For a round trip, plan for roughly 02h 38m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
67.03 mi
01h 19m
Flight
44.9 mi
72.26 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Larchmont.

Flight Distance

Direct air line
44.9 mi
Kilometers
72.26 km
Flight Time
00h 05m

Driving Distance

Road route
67.03 mi
Kilometers
107.87 km
Drive Time
01h 19m

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 19m.

Arrival Snapshot
Arrive in Brookhaven
Wed, Apr 15, 8:52 AM EDT
Return by in Larchmont
Wed, Apr 15, 10:12 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Larchmont
2026-04-15T07:33
Arrive Brookhaven
Wed, Apr 15, 8:52 AM EDT
Route Timing
01h 19m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:19 AM to 11:19 AM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
3:52 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Larchmont
9:30 PM EDT
Morning start is best

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.

Mid-route stop
Syosset
NY

Census designated place in New York State

From Larchmont
33.2 mi
00h 39m
To Brookhaven
33.9 mi
00h 39m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
87°F
Today

Mostly Sunny then Chance Showers And Thunderstorms

Starts
Wed, Apr 15 6:00 AM EDT
Wind
3 to 12 mph SW
Destination
65°F
Wednesday

Partly Sunny then Slight Chance Rain Showers

Starts
Wed, Apr 15 6:00 AM EDT
Wind
9 to 14 mph SW

Driving Route Map

The map below follows the saved road route between Larchmont and Brookhaven.

Turn-by-Turn Driving Directions

Step-by-step road directions between Larchmont and Brookhaven.

  1. 1

    Start on Boston Post Road

    1.4 km · 2 min · Boston Post Road

  2. 2

    Continue on East Main Street

    3144 ft · 1 min · East Main Street

  3. 3

    Continue on Huguenot Street

    1211 ft · 25 sec · Huguenot Street

  4. 4

    Turn right onto River Street

    1649 ft · 37 sec · River Street

  5. 5

    Continue on Cedar Street

    113 m · 7 sec · Cedar Street

  6. 6

    Take the ramp straight toward I 95 South: New York

    853 ft · 21 sec

  7. 7

    Merge slight left onto New England Thruway

    5.8 mi · 8 min · New England Thruway

  8. 8

    Continue on Bruckner Expressway

    1.3 mi · 2 min · Bruckner Expressway

  9. 9

    Keep slight left to continue on Throgs Neck Expressway

    2.2 mi · 3 min · Throgs Neck Expressway

  10. 10

    Continue on Throgs Neck Bridge

    2 mi · 3 min · Throgs Neck Bridge

  11. 11

    Continue on Clearview Expressway

    3.2 mi · 3 min · Clearview Expressway

  12. 12

    Take the exit slight right toward I 495: Manhattan, Eastern Long Island

    810 ft · 28 sec

  13. 13

    Keep slight left to continue on I 495 East: Long Island Expressway, Eastern Long Island

    1448 ft · 39 sec

  14. 14

    Merge slight left onto Long Island Expressway

    43.5 mi · 59 min · Long Island Expressway

  15. 15

    Take the exit slight right toward CR 16: Horse Block Road, Centereach, Shirley

    1308 ft · 28 sec

  16. 16

    Turn straight onto Express Drive South

    1108 ft · 21 sec · Express Drive South

  17. 17

    Turn slight right onto Horseblock Road

    4.1 mi · 6 min · Horseblock Road

  18. 18

    At the end of the road, turn right onto Montauk Highway

    1.4 km · 2 min · Montauk Highway

  19. 19

    Turn left onto South Country Road

    2057 ft · 50 sec · South Country Road

  20. 20

    Arrive at your destination

    0 m · 1 sec · South Country Road

Car Route Details

A richer read on the saved driving route between Larchmont and Brookhaven.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
20 steps
5 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
29.9 / 100 mi
Decision points by distance
Main Roads
Long Island Expressway
43.5 mi · 65%
New England Thruway
5.84 mi · 9%
Horseblock Road
4.07 mi · 6%
Clearview Expressway
3.19 mi · 5%
Throgs Neck Expressway
2.17 mi · 3%
Throgs Neck Bridge
2 mi · 3%
Longest Stretch

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.

Trip Read

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.

Drive Time
01h 19m
Day trip friendly
Same-Day Return
02h 38m
Round-trip wheel time
Road vs Air
+22.1 mi
44.9 mi direct line
Halfway Stop
Syosset
00h 39m from Larchmont
Leave By
3:52 PM EDT
Morning start is best
Weather Watch

Mostly Sunny then Chance Showers And Thunderstorms leaving Larchmont 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 Larchmont to Brookhaven?

The road trip is about 67 miles (107.9 km) and usually takes 01h 19m 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?

Syosset is a useful midpoint, sitting about 33.2 miles from Larchmont and 33.9 miles from Brookhaven.

How much longer is the road route than the straight-line distance?

The direct path is about 44.9 miles (72.3 km), while the road route adds roughly 22.1 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 3:52 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $9.46 one way or $18.92 round trip. Estimated CO2 is about 21 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny then Chance Showers And Thunderstorms around Larchmont and Partly Sunny then Slight Chance Rain Showers near Brookhaven.

Stop Ideas Near Syosset

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Syosset and the surrounding midpoint area.
Town of Babylon History Museum at Old Town Hall
Scenic stop 11.4 mi away

Town of Babylon History Museum at Old Town Hall

Babylon , NY
47 W Main St, Babylon, NY 11702
Rating 4.6/5 26 reviews Tourist attraction,History museum
Babylon Town Hall Annex
Meeting point 9.8 mi away

Babylon Town Hall Annex

North Babylon , NY
281 Phelps Ln, North Babylon, NY 11703
Rating 3.9/5 26 reviews City government office,City Hall

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Syosset.

RAIL

Stamford Transportation Center

25 mi away
Washington Blvd and South State St.
RAIL

New Rochelle station

25 mi away
1 Railroad Plaza
RAIL

Yonkers station

36 mi away
5 Buena Vista Ave.
RAIL

Pennsylvania Station

42 mi away
8th Ave 31st Street / 8th Ave 33rd Street

Flight Path Map

This map shows the direct air route between Larchmont and Brookhaven. Straight-line distance: 44.9 mi (72.26 km).

Larchmont

#1 Larchmont

Village in Westchester County, New York

Population6,114
Coordinates40.9278800, -73.7518000
Altitude16
CountryUnited States
Brookhaven

#2 Brookhaven

This town in Suffolk County, New York, is the most populous in the state.

Population479,883
Coordinates40.7792700, -72.9153800
Altitude3
CountryUnited States
Start: Boston Post Road (-73.751801, 40.92788)
End: South Country Road (-72.915343, 40.779251)

Estimated Travel Time

Distance: 108 km by road

SpeedTime
30 mph (48.3 km/h)02h 14m
40 mph (64.37 km/h)01h 40m
50 mph (80.47 km/h)01h 20m
60 mph (96.56 km/h)01h 07m
70 mph (112.65 km/h)00h 57m
80 mph (129 km/h)00h 50m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.36 gal
8.95 L · about $9.46
Round trip
$18.92
4.72 gal · 17.9 L
Estimated CO2
21 kg one way
Round trip: 41.9 kg / 92 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.01 $9.46 $18.92
Mid-grade $4.48 $10.58 $21.15
Premium $4.86 $11.47 $22.94
Diesel $4.69 $11.08 $22.16

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 15, 2026

There is no time difference between Larchmont and Brookhaven. The current time is 07:33:17.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.