How far is Islip, NY from Westhampton Beach, NY?

The driving distance from Islip, NY to Westhampton Beach, NY is about 34.5 miles (55.5 km), with a travel time of about 00h 53m by car.

  • The straight-line flight distance is about 31.6 miles (50.8 km).
  • For a round trip, plan for roughly 01h 47m 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
34.48 mi
00h 53m
Flight
31.59 mi
50.84 km direct

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

Learn Distance

Choose another destination from Islip.

Flight Distance

Direct air line
31.59 mi
Kilometers
50.84 km
Flight Time
00h 03m

Driving Distance

Road route
34.48 mi
Kilometers
55.49 km
Drive Time
00h 53m

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 53m.

Arrival Snapshot
Arrive in Westhampton Beach
Sun, Apr 19, 4:07 AM EDT
Return by in Islip
Sun, Apr 19, 5:01 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Islip
2026-04-19T03:14
Arrive Westhampton Beach
Sun, Apr 19, 4:07 AM EDT
Route Timing
00h 53m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
8:54 AM to 10:54 AM EDT

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

Leave by
4:42 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Islip
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
Brookhaven
NY

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

From Islip
17.2 mi
00h 26m
To Westhampton Beach
17.3 mi
00h 26m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
59°F
Sunday

Rain Showers Likely

Starts
Sun, Apr 19 6:00 AM EDT
Wind
7 to 13 mph SW
Destination
53°F
Sunday

Chance Rain Showers

Starts
Sun, Apr 19 6:00 AM EDT
Wind
8 to 16 mph SW

Driving Route Map

The map below follows the saved road route between Islip and Westhampton Beach.

Turn-by-Turn Driving Directions

Step-by-step road directions between Islip and Westhampton Beach.

  1. 1

    Start on Main Street

    865 ft · 22 sec · Main Street

  2. 2

    Turn left onto Islip Avenue

    1.2 km · 2 min · Islip Avenue

  3. 3

    Turn right onto NY 27 East

    35 m · 4 sec

  4. 4

    Turn straight onto Bittermint Street

    777 ft · 29 sec · Bittermint Street

  5. 5

    Turn left onto Ferndale Boulevard

    47 m · 6 sec · Ferndale Boulevard

  6. 6

    Turn right onto Sunrise Highway

    1733 ft · 35 sec · Sunrise Highway

  7. 7

    Take the ramp slight left toward NY 27 East

    720 ft · 18 sec

  8. 8

    Merge slight left onto Sunrise Highway

    24.1 mi · 33 min · Sunrise Highway

  9. 9

    Take the exit slight right toward CR 51: East Moriches, Riverhead

    1266 ft · 31 sec

  10. 10

    Keep slight right to continue on CR 51 South: East Moriches

    836 ft · 22 sec

  11. 11

    Continue on South Sunrise Highway Service Road

    2748 ft · 60 sec · South Sunrise Highway Service Road

  12. 12

    Turn right onto Eastport Manor Road

    2389 ft · 59 sec · Eastport Manor Road

  13. 13

    Turn left onto Old Country Road

    4.2 mi · 8 min · Old Country Road

  14. 14

    Continue on Nadine Drive

    111 m · 12 sec · Nadine Drive

  15. 15

    Turn slight right onto Mill Road

    1.5 km · 2 min · Mill Road

  16. 16

    Enter the roundabout and take exit 2 toward Mill Road

    51 m · 4 sec · Mill Road

  17. 17

    Exit the roundabout onto Mill Road

    1931 ft · 42 sec · Mill Road

  18. 18

    Exit the roundabout onto Main Street

    128 m · 11 sec · Main Street

  19. 19

    Turn right onto Beach Lane

    1.6 km · 2 min · Beach Lane

  20. 20

    Turn left onto Dune Road

    1.1 km · 2 min · Dune Road

  21. 21

    Arrive at your destination

    0 m · 1 sec · Dune Road

Car Route Details

A richer read on the saved driving route between Islip and Westhampton Beach.

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
21 steps
13 turns on the saved route
Ramps & Exits
6
1 merges, 5 ramps or exits
Navigation Density
60.9 / 100 mi
Decision points by distance
Main Roads
Sunrise Highway
24.5 mi · 71%
Old Country Road
4.21 mi · 12%
Mill Road
1.34 mi · 4%
Beach Lane
0.98 mi · 3%
Islip Avenue
0.77 mi · 2%
Dune Road
0.7 mi · 2%
Longest Stretch

Sunrise Highway

Merge slight left onto Sunrise Highway

24.1 mi · 00h 33m

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 53m
Day trip friendly
Same-Day Return
01h 48m
Round-trip wheel time
Road vs Air
+2.9 mi
31.6 mi direct line
Halfway Stop
Brookhaven
00h 26m from Islip
Leave By
4:42 PM EDT
Morning start is best
Weather Watch

Rain Showers Likely leaving Islip and Chance Rain Showers near Westhampton Beach.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Islip to Westhampton Beach?

The road trip is about 34.5 miles (55.5 km) and usually takes 00h 53m 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?

Brookhaven is a useful midpoint, sitting about 17.2 miles from Islip and 17.3 miles from Westhampton Beach.

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

The direct path is about 31.6 miles (50.8 km), while the road route adds roughly 2.9 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 4:42 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $4.89 one way or $9.78 round trip. Estimated CO2 is about 10.8 kg one way.

What should you check before leaving?

Before you leave, expect Rain Showers Likely around Islip and Chance Rain Showers near Westhampton Beach.

Stop Ideas Near Brookhaven

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

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

RAIL

Bridgeport

50 mi away
525 Water St.
RAIL

Union Station

58 mi away
50 Union Avenue
RAIL

Stamford Transportation Center

60 mi away
Washington Blvd and South State St.
RAIL

Old Saybrook station

74 mi away
455 Boston Post Road

Flight Path Map

This map shows the direct air route between Islip and Westhampton Beach. Straight-line distance: 31.59 mi (50.84 km).

Islip

#1 Islip

This Long Island community is situated on the south shore of Suffolk County, New York, at an elevation of 13 feet.

Population322,328
Coordinates40.7298200, -73.2103900
Altitude4
CountryUnited States
Westhampton Beach

#2 Westhampton Beach

Incorporated village on the southeast coast of Long Island; Southampton, Suffolk County, New York, United States

Population1,808
Coordinates40.8031600, -72.6145400
Altitude2
CountryUnited States
Start: Islip (-73.21039, 40.72982)
End: Westhampton Beach (-72.61454, 40.80316)

Estimated Travel Time

Distance: 55 km by road

SpeedTime
30 mph (48.3 km/h)01h 08m
40 mph (64.37 km/h)00h 51m
50 mph (80.47 km/h)00h 41m
60 mph (96.56 km/h)00h 34m
70 mph (112.65 km/h)00h 29m
80 mph (129 km/h)00h 25m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.22 gal
4.61 L · about $4.89
Round trip
$9.78
2.44 gal · 9.22 L
Estimated CO2
10.8 kg one way
Round trip: 21.7 kg / 48 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.01 $4.89 $9.78
Mid-grade $4.48 $5.47 $10.93
Premium $4.86 $5.93 $11.86
Diesel $4.69 $5.73 $11.45

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 Islip and Westhampton Beach. The current time is 03:14:02.

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.