How far is Oyster Bay, NY from Northwest Harbor, NY?

The driving distance from Oyster Bay, NY to Northwest Harbor, NY is about 81.5 miles (131.1 km), with a travel time of about 02h 08m by car.

  • The straight-line flight distance is about 69.2 miles (111.3 km).
  • For a round trip, plan for roughly 04h 16m 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
81.46 mi
02h 08m
Flight
69.14 mi
111.27 km direct

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

Learn Distance

Choose another destination from Oyster Bay.

Flight Distance

Direct air line
69.14 mi
Kilometers
111.27 km
Flight Time
00h 08m

Driving Distance

Road route
81.46 mi
Kilometers
131.1 km
Drive Time
02h 08m

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 02h 08m.

Arrival Snapshot
Arrive in Northwest Harbor
Sun, Apr 19, 2:13 AM EDT
Return by in Oyster Bay
Sun, Apr 19, 4:21 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Oyster Bay
2026-04-19T00:04
Arrive Northwest Harbor
Sun, Apr 19, 2:13 AM EDT
Route Timing
02h 08m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
10:08 AM to 12:08 PM EDT

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

Leave by
2:14 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Oyster Bay
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
Yaphank
NY

Census-designated place in Suffolk County, New York

From Oyster Bay
40.6 mi
01h 04m
To Northwest Harbor
40.8 mi
01h 04m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
60°F
Sunday

Rain Showers Likely

Starts
Sun, Apr 19 6:00 AM EDT
Wind
8 to 14 mph W
Destination
57°F
Sunday

Chance Rain Showers

Starts
Sun, Apr 19 6:00 AM EDT
Wind
5 to 9 mph SW

Driving Route Map

The map below follows the saved road route between Oyster Bay and Northwest Harbor.

Turn-by-Turn Driving Directions

Step-by-step road directions between Oyster Bay and Northwest Harbor.

  1. 1

    Start on Berry Hill Road

    88 m · 21 sec · Berry Hill Road

  2. 2

    Turn sharp left onto South Street

    131 m · 9 sec · South Street

  3. 3

    Continue on Pine Hollow Road

    1.4 km · 1 min · Pine Hollow Road

  4. 4

    Turn left onto Sugar Toms Lane

    1.5 km · 2 min · Sugar Toms Lane

  5. 5

    Continue on Split Rock Road

    1.8 mi · 3 min · Split Rock Road

  6. 6

    Turn slight right onto Berry Hill Road

    86 m · 8 sec · Berry Hill Road

  7. 7

    Turn straight onto Jackson Avenue

    1 mi · 2 min · Jackson Avenue

  8. 8

    Turn left onto Jericho Turnpike

    2158 ft · 37 sec · Jericho Turnpike

  9. 9

    Take the ramp slight right toward NY 135 South: Seaford

    1795 ft · 44 sec

  10. 10

    Merge slight left onto Seaford-Oyster Bay Expressway

    3039 ft · 37 sec · Seaford-Oyster Bay Expressway

  11. 11

    Take the exit slight right toward I 495 East: Riverhead

    1380 ft · 39 sec

  12. 12

    Merge slight left onto Long Island Expressway

    37.1 mi · 50 min · Long Island Expressway

  13. 13

    Take the exit slight right toward CR 111: Manorville, Eastport

    1699 ft · 36 sec

  14. 14

    Turn right onto Captain Daniel Roe Highway

    4.6 mi · 7 min · Captain Daniel Roe Highway

  15. 15

    Take the exit left toward NY 27 East: Montauk

    3187 ft · 49 sec

  16. 16

    Merge slight left onto Sunrise Highway

    13.2 mi · 16 min · Sunrise Highway

  17. 17

    Continue on County Road 39

    5.5 mi · 11 min · County Road 39

  18. 18

    Turn left onto Montauk Highway

    8.6 mi · 17 min · Montauk Highway

  19. 19

    Turn left onto Stephen Hands Path

    1.8 mi · 5 min · Stephen Hands Path

  20. 20

    Turn left

    11 m · 2 sec

  21. 21

    Turn right onto Stephen Hands Path

    1617 ft · 46 sec · Stephen Hands Path

  22. 22

    Continue on Old Northwest Road

    1.8 mi · 4 min · Old Northwest Road

  23. 23

    Turn right onto Northwest Road

    1.1 km · 2 min · Northwest Road

  24. 24

    Turn right

    2184 ft · 3 min

  25. 25

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Oyster Bay and Northwest 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
25 steps
12 turns on the saved route
Ramps & Exits
7
3 merges, 4 ramps or exits
Navigation Density
30.7 / 100 mi
Decision points by distance
Main Roads
Long Island Expressway
37.1 mi · 46%
Sunrise Highway
13.2 mi · 16%
Montauk Highway
8.63 mi · 11%
County Road 39
5.48 mi · 7%
Captain Daniel Roe Highway
4.63 mi · 6%
Stephen Hands Path
2.06 mi · 3%
Longest Stretch

Long Island Expressway

Merge slight left onto Long Island Expressway

37.1 mi · 00h 50m

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
02h 08m
Day trip friendly
Same-Day Return
04h 16m
Round-trip wheel time
Road vs Air
+12.3 mi
69.2 mi direct line
Halfway Stop
Yaphank
01h 04m from Oyster Bay
Leave By
2:14 PM EDT
Morning start is best
Weather Watch

Rain Showers Likely leaving Oyster Bay and Chance Rain Showers near Northwest Harbor.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Oyster Bay to Northwest Harbor?

The road trip is about 81.5 miles (131.1 km) and usually takes 02h 08m 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?

Yaphank is a useful midpoint, sitting about 40.6 miles from Oyster Bay and 40.8 miles from Northwest Harbor.

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

The direct path is about 69.2 miles (111.3 km), while the road route adds roughly 12.3 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 2:14 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $11.51 one way or $23.01 round trip. Estimated CO2 is about 25.5 kg one way.

What should you check before leaving?

Before you leave, expect Rain Showers Likely around Oyster Bay and Chance Rain Showers near Northwest Harbor.

Stop Ideas Near Yaphank

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

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

RAIL

Bridgeport

44 mi away
525 Water St.
RAIL

Union Station

51 mi away
50 Union Avenue
RAIL

Stamford Transportation Center

57 mi away
Washington Blvd and South State St.
RAIL

Old Saybrook station

69 mi away
455 Boston Post Road

Flight Path Map

This map shows the direct air route between Oyster Bay and Northwest Harbor. Straight-line distance: 69.14 mi (111.27 km).

Oyster Bay

#1 Oyster Bay

Town on Long Island, New York, United States

Population296,592
Coordinates40.8656500, -73.5320700
Altitude14
CountryUnited States
Northwest Harbor

#2 Northwest Harbor

Census-designated place in Suffolk County, New York

Population3,317
Coordinates41.0098200, -72.2211900
Altitude24
CountryUnited States
Start: Oyster Bay (-73.53207, 40.86565)
End: Northwest Harbor (-72.22119, 41.00982)

Estimated Travel Time

Distance: 131 km by road

SpeedTime
30 mph (48.3 km/h)02h 42m
40 mph (64.37 km/h)02h 02m
50 mph (80.47 km/h)01h 37m
60 mph (96.56 km/h)01h 21m
70 mph (112.65 km/h)01h 09m
80 mph (129 km/h)01h 00m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.87 gal
10.88 L · about $11.51
Round trip
$23.01
5.74 gal · 21.76 L
Estimated CO2
25.5 kg one way
Round trip: 51 kg / 112 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.01 $11.51 $23.01
Mid-grade $4.48 $12.86 $25.72
Premium $4.86 $13.95 $27.90
Diesel $4.69 $13.47 $26.94

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 Oyster Bay and Northwest Harbor. The current time is 00:04:59.

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.