How far is Westhampton, NY from Islip, NY?

The driving distance from Westhampton, NY to Islip, NY is about 31.4 miles (50.6 km), with a travel time of about 00h 47m by car.

  • The straight-line flight distance is about 29.2 miles (47 km).
  • For a round trip, plan for roughly 01h 34m 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
31.43 mi
00h 47m
Flight
29.22 mi
47.02 km direct

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

Learn Distance

Choose another destination from Westhampton.

Flight Distance

Direct air line
29.22 mi
Kilometers
47.02 km
Flight Time
00h 03m

Driving Distance

Road route
31.43 mi
Kilometers
50.58 km
Drive Time
00h 47m

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 47m.

Arrival Snapshot
Arrive in Islip
Sun, Apr 19, 12:49 AM EDT
Return by in Westhampton
Sun, Apr 19, 1:37 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Westhampton
2026-04-19T00:02
Arrive Islip
Sun, Apr 19, 12:49 AM EDT
Route Timing
00h 47m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
8:47 AM to 10:47 AM EDT

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

Leave by
4:56 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Westhampton
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
North Bellport
NY

Census-designated place in Suffolk County, New York

From Westhampton
15.7 mi
00h 23m
To Islip
15.7 mi
00h 23m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
56°F
Sunday

Chance Rain Showers

Starts
Sun, Apr 19 6:00 AM EDT
Wind
6 to 14 mph SW
Destination
59°F
Sunday

Rain Showers Likely

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

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Seabreeze Avenue

    49 m · 11 sec · Seabreeze Avenue

  2. 2

    Turn left onto Old Country Road

    3.9 mi · 7 min · Old Country Road

  3. 3

    Turn right onto Eastport Manor Road

    3257 ft · 1 min · Eastport Manor Road

  4. 4

    Take the ramp left toward NY 27 west: New York

    1.3 km · 2 min

  5. 5

    Merge slight left onto Sunrise Highway

    24.2 mi · 33 min · Sunrise Highway

  6. 6

    Take the exit slight right toward NY 111: Islip, Smithtown

    593 ft · 15 sec

  7. 7

    Turn straight onto Sunrise Highway

    3070 ft · 58 sec · Sunrise Highway

  8. 8

    Turn slight right onto NY 111 South: Islip

    713 ft · 35 sec

  9. 9

    Turn straight onto Islip Avenue

    1.4 km · 2 min · Islip Avenue

  10. 10

    At the end of the road, turn right onto Main Street

    865 ft · 15 sec · Main Street

  11. 11

    Arrive at your destination

    0 m · 1 sec · Main Street

Car Route Details

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

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
11 steps
6 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
35 / 100 mi
Decision points by distance
Main Roads
Sunrise Highway
24.8 mi · 79%
Old Country Road
3.94 mi · 13%
Islip Avenue
0.87 mi · 3%
NY 27 west
0.78 mi · 2%
Eastport Manor Road
0.62 mi · 2%
Main Street
0.16 mi · 1%
Longest Stretch

Sunrise Highway

Merge slight left onto Sunrise Highway

24.2 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 47m
Day trip friendly
Same-Day Return
01h 34m
Round-trip wheel time
Road vs Air
+2.2 mi
29.2 mi direct line
Halfway Stop
North Bellport
00h 23m from Westhampton
Leave By
4:56 PM EDT
Morning start is best
Weather Watch

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

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 31.4 miles (50.6 km) and usually takes 00h 47m 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?

North Bellport is a useful midpoint, sitting about 15.7 miles from Westhampton and 15.7 miles from Islip.

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

The direct path is about 29.2 miles (47 km), while the road route adds roughly 2.2 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 4:56 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $4.45 one way or $8.90 round trip. Estimated CO2 is about 9.9 kg one way.

What should you check before leaving?

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

Stop Ideas Near North Bellport

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

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

RAIL

Bridgeport

49 mi away
525 Water St.
RAIL

Union Station

58 mi away
50 Union Avenue
RAIL

Stamford Transportation Center

59 mi away
Washington Blvd and South State St.
RAIL

New Rochelle station

72 mi away
1 Railroad Plaza

Flight Path Map

This map shows the direct air route between Westhampton and Islip. Straight-line distance: 29.22 mi (47.02 km).

Westhampton

#1 Westhampton

Census-designated place in Suffolk County, New York

Population3,079
Coordinates40.8245400, -72.6662100
Altitude11
CountryUnited States
Islip

#2 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
Start: Westhampton (-72.66621, 40.82454)
End: Islip (-73.21039, 40.72982)

Estimated Travel Time

Distance: 51 km by road

SpeedTime
30 mph (48.3 km/h)01h 02m
40 mph (64.37 km/h)00h 47m
50 mph (80.47 km/h)00h 37m
60 mph (96.56 km/h)00h 31m
70 mph (112.65 km/h)00h 26m
80 mph (129 km/h)00h 23m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.11 gal
4.2 L · about $4.45
Round trip
$8.90
2.22 gal · 8.4 L
Estimated CO2
9.9 kg one way
Round trip: 19.7 kg / 43 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.01 $4.45 $8.90
Mid-grade $4.48 $4.97 $9.95
Premium $4.86 $5.40 $10.79
Diesel $4.69 $5.21 $10.42

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 Westhampton and Islip. The current time is 00:02:36.

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.