How far is Brookhaven, NY from Water Mill, NY?

The driving distance from Brookhaven, NY to Water Mill, NY is about 33.4 miles (53.8 km), with a travel time of about 00h 49m by car.

  • The straight-line flight distance is about 31.4 miles (50.6 km).
  • For a round trip, plan for roughly 01h 39m 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
33.45 mi
00h 49m
Flight
31.46 mi
50.63 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
31.46 mi
Kilometers
50.63 km
Flight Time
00h 03m

Driving Distance

Road route
33.45 mi
Kilometers
53.84 km
Drive Time
00h 49m

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 49m.

Arrival Snapshot
Arrive in Water Mill
Sun, Apr 19, 4:04 AM EDT
Return by in Brookhaven
Sun, Apr 19, 4:53 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Brookhaven
2026-04-19T03:14
Arrive Water Mill
Sun, Apr 19, 4:04 AM EDT
Route Timing
00h 49m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
8:50 AM to 10:50 AM EDT

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

Leave by
4:50 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
Flanders
NY

Census-designated place in Suffolk County, New York

From Brookhaven
16.7 mi
00h 24m
To Water Mill
16.8 mi
00h 24m

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
54°F
Sunday

Rain Showers Likely

Starts
Sun, Apr 19 6:00 AM EDT
Wind
5 to 13 mph SW

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Brookhaven and Water Mill.

  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

    10 m · 1 sec · Scuttle Hole Road

  10. 10

    Arrive at your destination

    0 m · 1 sec · Scuttle Hole Road

Car Route Details

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

OSRM road route
Drive Character

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.

Directions
10 steps
4 turns on the saved route
Ramps & Exits
2
1 merges, 1 ramps or exits
Navigation Density
29.9 / 100 mi
Decision points by distance
Main Roads
Sunrise Highway
24.2 mi · 72%
County Road 39
5.48 mi · 16%
Montauk Highway
3.01 mi · 9%
South Country Road
0.43 mi · 1%
NY 27 East
0.32 mi · 1%
Horseblock Road
0.05 mi
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
00h 49m
Day trip friendly
Same-Day Return
01h 40m
Round-trip wheel time
Road vs Air
+2 mi
31.4 mi direct line
Halfway Stop
Flanders
00h 24m from Brookhaven
Leave By
4:50 PM EDT
Morning start is best
Weather Watch

Rain Showers Likely leaving Brookhaven and Rain Showers Likely near Water Mill.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Brookhaven to Water Mill?

The road trip is about 33.4 miles (53.8 km) and usually takes 00h 49m 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?

Flanders is a useful midpoint, sitting about 16.7 miles from Brookhaven and 16.8 miles from Water Mill.

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

The direct path is about 31.4 miles (50.6 km), while the road route adds roughly 2 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 4:50 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $4.73 one way or $9.46 round trip. Estimated CO2 is about 10.5 kg one way.

What should you check before leaving?

Before you leave, expect Rain Showers Likely around Brookhaven and Rain Showers Likely near Water Mill.

Stop Ideas Near Flanders

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

Mid-route Guidance
Local place coverage is thin around Flanders, 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 Flanders.

RAIL

Old Saybrook station

49 mi away
455 Boston Post Road
RAIL

Union Station

51 mi away
50 Union Avenue
RAIL

Bridgeport

57 mi away
525 Water St.
RAIL

Wallingford station

64 mi away
37 Hall Avenue

Flight Path Map

This map shows the direct air route between Brookhaven and Water Mill. Straight-line distance: 31.46 mi (50.63 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
Water Mill

#2 Water Mill

Census-designated place in Suffolk County, New York

Population1,559
Coordinates40.9195900, -72.3427400
Altitude3
CountryUnited States
Start: Brookhaven (-72.91538, 40.77927)
End: Water Mill (-72.34274, 40.91959)

Estimated Travel Time

Distance: 54 km by road

SpeedTime
30 mph (48.3 km/h)01h 06m
40 mph (64.37 km/h)00h 50m
50 mph (80.47 km/h)00h 40m
60 mph (96.56 km/h)00h 33m
70 mph (112.65 km/h)00h 28m
80 mph (129 km/h)00h 25m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.18 gal
4.47 L · about $4.73
Round trip
$9.46
2.36 gal · 8.94 L
Estimated CO2
10.5 kg one way
Round trip: 21 kg / 46 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.01 $4.73 $9.46
Mid-grade $4.48 $5.29 $10.58
Premium $4.86 $5.74 $11.47
Diesel $4.69 $5.54 $11.08

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 Water Mill. The current time is 03:14:30.

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.