How far is Brookhaven, NY from Sag Harbor, NY?

The driving distance from Brookhaven, NY to Sag Harbor, NY is about 40.3 miles (64.9 km), with a travel time of about 01h 04m by car.

  • The straight-line flight distance is about 35.9 miles (57.7 km).
  • For a round trip, plan for roughly 02h 08m 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
40.32 mi
01h 04m
Flight
35.87 mi
57.72 km direct

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

Learn Distance

Choose another destination from Brookhaven.

Flight Distance

Direct air line
35.87 mi
Kilometers
57.72 km
Flight Time
00h 04m

Driving Distance

Road route
40.32 mi
Kilometers
64.89 km
Drive Time
01h 04m

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 04m.

Arrival Snapshot
Arrive in Sag Harbor
Sun, Apr 19, 2:40 AM EDT
Return by in Brookhaven
Sun, Apr 19, 3:44 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Brookhaven
2026-04-19T01:35
Arrive Sag Harbor
Sun, Apr 19, 2:40 AM EDT
Route Timing
01h 04m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:04 AM to 11:04 AM EDT

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

Leave by
4:22 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Brookhaven
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
Red Creek
NY

Human settlement in Wayne County, New York, United States

From Brookhaven
20.1 mi
00h 32m
To Sag Harbor
20.2 mi
00h 32m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
58°F
Sunday

Rain Showers Likely

Starts
Sun, Apr 19 6:00 AM EDT
Wind
7 to 14 mph SW
Destination
55°F
Sunday

Rain Showers Likely

Starts
Sun, Apr 19 6:00 AM EDT
Wind
6 to 12 mph SW

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Brookhaven and Sag Harbor.

  1. 1

    Start on South Country Road

    1912 ft · 47 sec · South Country Road

  2. 2

    Continue on South Country Road

    108 m · 17 sec · South Country Road

  3. 3

    Turn straight onto Montauk Highway

    1.3 km · 1 min · Montauk Highway

  4. 4

    Turn left onto Horseblock Road

    88 m · 9 sec · Horseblock Road

  5. 5

    Take the ramp slight right toward NY 27 East: Montauk

    1716 ft · 42 sec

  6. 6

    Merge slight left onto Sunrise Highway

    24.2 mi · 31 min · Sunrise Highway

  7. 7

    Continue on County Road 39

    5.5 mi · 11 min · County Road 39

  8. 8

    Turn left onto Montauk Highway

    2.2 mi · 4 min · Montauk Highway

  9. 9

    Turn left onto Scuttle Hole Road

    2.3 mi · 4 min · Scuttle Hole Road

  10. 10

    Enter the roundabout and take exit 2 toward Scuttle Hole Road

    28 m · 2 sec · Scuttle Hole Road

  11. 11

    Exit the roundabout onto Scuttle Hole Road

    2 mi · 4 min · Scuttle Hole Road

  12. 12

    At the end of the road, turn left onto Bridgehampton–Sag Harbor Turnpike

    1.5 mi · 3 min · Bridgehampton–Sag Harbor Turnpike

  13. 13

    Continue on Main Street

    1.3 km · 3 min · Main Street

  14. 14

    Turn right onto Union Street

    1141 ft · 55 sec · Union Street

  15. 15

    Turn right onto Division Street

    5 m · 1 sec · Division Street

  16. 16

    Turn slight right

    45 m · 5 sec

  17. 17

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

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
17 steps
10 turns on the saved route
Ramps & Exits
4
1 merges, 3 ramps or exits
Navigation Density
42.2 / 100 mi
Decision points by distance
Main Roads
Sunrise Highway
24.2 mi · 60%
County Road 39
5.48 mi · 14%
Scuttle Hole Road
4.32 mi · 11%
Montauk Highway
3.01 mi · 7%
Bridgehampton–Sag Harbor Turnpike
1.53 mi · 4%
Main Street
0.78 mi · 2%
Longest Stretch

Sunrise Highway

Merge slight left onto Sunrise Highway

24.2 mi · 00h 31m

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 04m
Day trip friendly
Same-Day Return
02h 08m
Round-trip wheel time
Road vs Air
+4.4 mi
35.9 mi direct line
Halfway Stop
Red Creek
00h 32m from Brookhaven
Leave By
4:22 PM EDT
Morning start is best
Weather Watch

Rain Showers Likely leaving Brookhaven and Rain Showers Likely near Sag Harbor.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Brookhaven to Sag Harbor?

The road trip is about 40.3 miles (64.9 km) and usually takes 01h 04m 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?

Red Creek is a useful midpoint, sitting about 20.1 miles from Brookhaven and 20.2 miles from Sag Harbor.

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

The direct path is about 35.9 miles (57.7 km), while the road route adds roughly 4.4 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 4:22 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $5.69 one way or $11.39 round trip. Estimated CO2 is about 12.6 kg one way.

What should you check before leaving?

Before you leave, expect Rain Showers Likely around Brookhaven and Rain Showers Likely near Sag Harbor.

Stop Ideas Near Red Creek

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

Mid-route Guidance
Local place coverage is thin around Red Creek, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Red Creek.

RAIL

Old Saybrook station

46 mi away
455 Boston Post Road
RAIL

Union Station

54 mi away
50 Union Avenue
RAIL

Bridgeport

61 mi away
525 Water St.
RAIL

New London Union Station

63 mi away
27 Water Street

Flight Path Map

This map shows the direct air route between Brookhaven and Sag Harbor. Straight-line distance: 35.87 mi (57.72 km).

Brookhaven

#1 Brookhaven

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

Population479,883
Coordinates40.7792700, -72.9153800
Altitude3
CountryUnited States
Sag Harbor

#2 Sag Harbor

City in Suffolk County, New York, United States of America

Population2,292
Coordinates40.9978800, -72.2925800
Altitude8
CountryUnited States
Start: Brookhaven (-72.91538, 40.77927)
End: Sag Harbor (-72.29258, 40.99788)

Estimated Travel Time

Distance: 65 km by road

SpeedTime
30 mph (48.3 km/h)01h 20m
40 mph (64.37 km/h)01h 00m
50 mph (80.47 km/h)00h 48m
60 mph (96.56 km/h)00h 40m
70 mph (112.65 km/h)00h 34m
80 mph (129 km/h)00h 30m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.42 gal
5.39 L · about $5.69
Round trip
$11.39
2.84 gal · 10.78 L
Estimated CO2
12.6 kg one way
Round trip: 25.2 kg / 56 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.01 $5.69 $11.39
Mid-grade $4.48 $6.36 $12.73
Premium $4.86 $6.90 $13.81
Diesel $4.69 $6.67 $13.33

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

There is no time difference between Brookhaven and Sag Harbor. The current time is 01:35:54.

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.