How far is Northumberland, NY from Brookhaven, NY?

The driving distance from Northumberland, NY to Brookhaven, NY is about 248.7 miles (400.2 km), with a travel time of about 04h 25m by car.

  • The straight-line flight distance is about 165.8 miles (266.9 km).
  • For a round trip, plan for roughly 08h 51m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
Trip Tools

Reverse, save, or send this route

This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
248.7 mi
04h 25m
Flight
165.87 mi
266.95 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Northumberland.

Flight Distance

Direct air line
165.87 mi
Kilometers
266.95 km
Flight Time
00h 20m

Driving Distance

Road route
248.7 mi
Kilometers
400.24 km
Drive Time
04h 25m

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 04h 25m.

Arrival Snapshot
Arrive in Brookhaven
Mon, May 18, 1:41 AM EDT
Return by in Northumberland
Mon, May 18, 6:06 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Northumberland
2026-05-17T21:15
Arrive Brookhaven
Mon, May 18, 1:41 AM EDT
Route Timing
04h 25m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
10:26 AM to 12:26 PM EDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
8:08 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Northumberland
9:00 PM EDT
Early departure recommended

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
Plattekill
NY

Town in New York, USA

From Northumberland
123.3 mi
02h 12m
To Brookhaven
125.3 mi
02h 12m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
78°F
Today

Sunny

Starts
Sun, May 17 11:00 AM EDT
Wind
14 mph W
Destination
Brookhaven Weather
NY
Live fallback forecast
68°F
This Afternoon
Using Gordon Heights as the closest live forecast in the Suffolk County weather hub.

Sunny

Starts
Sun, May 17 1:00 PM EDT
Wind
15 mph SW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on the route

    1.8 mi · 3 min

  2. 2

    Turn right onto Spring Street

    1754 ft · 50 sec · Spring Street

  3. 3

    Continue on Lake Avenue

    2.1 mi · 3 min · Lake Avenue

  4. 4

    Continue on Route 29

    6.1 mi · 8 min · Route 29

  5. 5

    Continue on Lake Avenue

    1.1 km · 2 min · Lake Avenue

  6. 6

    Turn left onto Henning Road

    1.4 km · 2 min · Henning Road

  7. 7

    Turn left onto Union Avenue

    828 ft · 24 sec · Union Avenue

  8. 8

    Take the ramp slight right

    2401 ft · 59 sec

  9. 9

    Merge slight left onto Adirondack Northway

    27.8 mi · 34 min · Adirondack Northway

  10. 10

    Keep slight right to continue on I 87 South, I 90: Boston, Albany, New York, Buffalo

    1694 ft · 32 sec

  11. 11

    Continue on I 87 South, I 90 West: New York, Buffalo

    2619 ft · 51 sec

  12. 12

    Keep slight right to continue on I 87 South: New York

    117.8 mi · 2 hr 17 min

  13. 13

    Keep slight right to continue on I 287 South, NJ 17 South: New Jersey

    1.5 km · 60 sec

  14. 14

    Continue straight

    2496 ft · 39 sec

  15. 15

    Keep slight left to continue on NJ 17 South: Mahwah

    14.1 mi · 19 min

  16. 16

    Take the exit slight right toward NJ 4, GSP South: Paterson, Fort Lee, New York

    566 ft · 19 sec

  17. 17

    Keep slight left to continue on NJ 4 East: Fort Lee, New York

    2455 ft · 1 min

  18. 18

    Merge slight left

    1417 ft · 24 sec

  19. 19

    Continue straight

    6.4 mi · 9 min

  20. 20

    Take the exit slight left toward I 95 North: George Washington Bridge

    1124 ft · 18 sec

  21. 21

    Merge slight left

    1.2 km · 55 sec

  22. 22

    Keep slight left

    1.3 km · 1 min

  23. 23

    Continue on George Washington Bridge (upper level)

    3174 ft · 1 min · George Washington Bridge (upper level)

  24. 24

    Continue on Trans-Manhattan Expressway

    1.2 km · 1 min · Trans-Manhattan Expressway

  25. 25

    Continue on Cross Bronx Expressway

    4.7 mi · 6 min · Cross Bronx Expressway

  26. 26

    Keep slight right to continue on Cross Bronx Expressway

    2 mi · 3 min · Cross Bronx Expressway

  27. 27

    Merge slight left onto Throgs Neck Expressway

    3271 ft · 58 sec · Throgs Neck Expressway

  28. 28

    Continue on Throgs Neck Bridge

    2 mi · 3 min · Throgs Neck Bridge

  29. 29

    Continue on Clearview Expressway

    3.2 mi · 3 min · Clearview Expressway

  30. 30

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

    810 ft · 28 sec

  31. 31

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

    1448 ft · 39 sec

  32. 32

    Merge slight left onto Long Island Expressway

    43.5 mi · 59 min · Long Island Expressway

  33. 33

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

    1308 ft · 28 sec

  34. 34

    Turn straight onto Express Drive South

    1108 ft · 21 sec · Express Drive South

  35. 35

    Turn slight right onto Horseblock Road

    4.1 mi · 6 min · Horseblock Road

  36. 36

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

    1.4 km · 2 min · Montauk Highway

  37. 37

    Turn left onto South Country Road

    2057 ft · 50 sec · South Country Road

  38. 38

    Arrive at your destination

    0 m · 1 sec · South Country Road

Car Route Details

A richer read on the saved driving route between Northumberland 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
38 steps
7 turns on the saved route
Ramps & Exits
10
5 merges, 5 ramps or exits
Navigation Density
15.3 / 100 mi
Decision points by distance
Main Roads
I 87 South
119 mi · 48%
Long Island Expressway
43.5 mi · 17%
Adirondack Northway
27.8 mi · 11%
NJ 17 South
14.1 mi · 6%
NJ 4 East
7.12 mi · 3%
Cross Bronx Expressway
6.64 mi · 3%
Longest Stretch

I 87 South

Keep slight right to continue on I 87 South: New York

118 mi · 02h 17m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A longer out-and-back drive

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

Drive Time
04h 25m
Long day trip
Same-Day Return
08h 52m
Round-trip wheel time
Road vs Air
+82.9 mi
165.8 mi direct line
Halfway Stop
Plattekill
02h 12m from Northumberland
Leave By
8:08 AM EDT
Early departure recommended
Weather Watch

Sunny leaving Northumberland and Sunny near Brookhaven.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Northumberland to Brookhaven?

The road trip is about 248.7 miles (400.2 km) and usually takes 04h 25m in normal driving conditions.

Is this a same-day trip or an overnight route?

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

What is the halfway point on this route?

Plattekill is a useful midpoint, sitting about 123.3 miles from Northumberland and 125.3 miles from Brookhaven.

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

The direct path is about 165.8 miles (266.9 km), while the road route adds roughly 82.9 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 6:00 AM to 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 8:08 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $35.20 one way or $70.40 round trip. Estimated CO2 is about 78 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Northumberland and Sunny near Brookhaven.

Stop Ideas Near Plattekill

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

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

RAIL

Poughkeepsie station

15 mi away
41 Main St.
RAIL

Rhinecliff–Kingston station

35 mi away
Hutton and Charles Sts.
RAIL

Croton–Harmon station

50 mi away
1 Croton Point Avenue
RAIL

Hudson

74 mi away
69 South Front St.

Flight Path Map

This map shows the direct air route between Northumberland and Brookhaven. Straight-line distance: 165.87 mi (266.95 km).

Photo coming soon

#1 Northumberland

Town in the US state of New York

Population5,059
Coordinates43.1273000, -73.5881700
Altitude34
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: US 4 (-73.588241, 43.127293)
End: South Country Road (-72.915343, 40.779251)

Estimated Travel Time

Distance: 400 km by road

SpeedTime
30 mph (48.3 km/h)08h 17m
40 mph (64.37 km/h)06h 13m
50 mph (80.47 km/h)04h 58m
60 mph (96.56 km/h)04h 08m
70 mph (112.65 km/h)03h 33m
80 mph (129 km/h)03h 06m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
8.78 gal
33.22 L · about $35.20
Round trip
$70.40
17.56 gal · 66.44 L
Estimated CO2
78 kg one way
Round trip: 156.1 kg / 344 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.01 $35.20 $70.40
Mid-grade $4.48 $39.34 $78.69
Premium $4.86 $42.68 $85.36
Diesel $4.69 $41.21 $82.43

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 · May 18, 2026

There is no time difference between Northumberland and Brookhaven. The current time is 21:15:50.

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.