How far is Islip, NY from Old Bethpage, NY?

The driving distance from Islip, NY to Old Bethpage, NY is about 16.3 miles (26.3 km), with a travel time of about 00h 27m by car.

  • The straight-line flight distance is about 12.9 miles (20.8 km).
  • For a round trip, plan for roughly 00h 55m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Trip Tools

Reverse, save, or send this route

This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
16.36 mi
00h 27m
Flight
12.91 mi
20.78 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Islip.

Flight Distance

Direct air line
12.91 mi
Kilometers
20.78 km
Flight Time
00h 01m

Driving Distance

Road route
16.36 mi
Kilometers
26.33 km
Drive Time
00h 27m

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 27m.

Arrival Snapshot
Arrive in Old Bethpage
Sun, Apr 19, 8:38 AM EDT
Return by in Islip
Sun, Apr 19, 9:05 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Islip
2026-04-19T08:10
Arrive Old Bethpage
Sun, Apr 19, 8:38 AM EDT
Route Timing
00h 27m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:28 AM to 7:28 PM EDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:34 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Islip
10:00 PM EDT
Flexible departure

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
West Babylon
NY

Census-designated place in Suffolk County, New York

From Islip
8.1 mi
00h 13m
To Old Bethpage
8.2 mi
00h 13m

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
60°F
Sunday

Showers And Thunderstorms Likely

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

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Islip and Old Bethpage.

  1. 1

    Start on Main Street

    22 m · 7 sec · Main Street

  2. 2

    Turn right onto Nassau Avenue

    1800 ft · 51 sec · Nassau Avenue

  3. 3

    Continue on Nassau Avenue

    140 m · 13 sec · Nassau Avenue

  4. 4

    Continue on Commack Road

    2487 ft · 1 min · Commack Road

  5. 5

    Turn left onto Sunrise Highway

    1575 ft · 30 sec · Sunrise Highway

  6. 6

    Take the ramp slight left toward NY 27 West: New York

    709 ft · 17 sec

  7. 7

    Merge slight left onto Sunrise Highway

    7.4 mi · 10 min · Sunrise Highway

  8. 8

    Take the exit slight right toward NY 109: Farmingdale, Babylon

    531 ft · 13 sec

  9. 9

    Turn straight onto Sunrise Highway

    1766 ft · 34 sec · Sunrise Highway

  10. 10

    Turn slight right onto NY 109 West: Farmingdale

    973 ft · 55 sec

  11. 11

    Turn straight onto Farmingdale Road

    3.5 mi · 6 min · Farmingdale Road

  12. 12

    Continue on Fulton Street

    3137 ft · 1 min · Fulton Street

  13. 13

    Turn right onto Main Street

    1.3 km · 1 min · Main Street

  14. 14

    Turn left onto Bethpage Road

    1877 ft · 38 sec · Bethpage Road

  15. 15

    Continue on Round Swamp Road

    1.7 mi · 3 min · Round Swamp Road

  16. 16

    Arrive at your destination

    0 m · 1 sec · Round Swamp Road

Car Route Details

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

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
16 steps
7 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
97.6 / 100 mi
Decision points by distance
Main Roads
Sunrise Highway
8.06 mi · 49%
Farmingdale Road
3.51 mi · 21%
Round Swamp Road
1.73 mi · 11%
Main Street
0.8 mi · 5%
Fulton Street
0.59 mi · 4%
Commack Road
0.47 mi · 3%
Longest Stretch

Sunrise Highway

Merge slight left onto Sunrise Highway

7.43 mi · 00h 10m

Route Summary

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

Trip Read

A short regional drive

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

Drive Time
00h 27m
Quick drive
Same-Day Return
00h 56m
Round-trip wheel time
Road vs Air
+3.4 mi
12.9 mi direct line
Halfway Stop
West Babylon
00h 13m from Islip
Leave By
7:34 PM EDT
Flexible departure
Weather Watch

Rain Showers Likely leaving Islip and Showers And Thunderstorms Likely near Old Bethpage.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Islip to Old Bethpage?

The road trip is about 16.3 miles (26.3 km) and usually takes 00h 27m in normal driving conditions.

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

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

What is the halfway point on this route?

West Babylon is a useful midpoint, sitting about 8.1 miles from Islip and 8.2 miles from Old Bethpage.

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

The direct path is about 12.9 miles (20.8 km), while the road route adds roughly 3.4 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:34 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $2.33 one way or $4.65 round trip. Estimated CO2 is about 5.2 kg one way.

What should you check before leaving?

Before you leave, expect Rain Showers Likely around Islip and Showers And Thunderstorms Likely near Old Bethpage.

Stop Ideas Near West Babylon

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

Mid-route Guidance
These suggestions come from reviewed places and nearby services around West Babylon and the surrounding midpoint area.
Town of Babylon History Museum at Old Town Hall
Scenic stop 1.7 mi away

Town of Babylon History Museum at Old Town Hall

Babylon , NY
47 W Main St, Babylon, NY 11702
Rating 4.6/5 26 reviews Tourist attraction,History museum
Babylon Town Hall Annex
Meeting point 1.3 mi away

Babylon Town Hall Annex

North Babylon , NY
281 Phelps Ln, North Babylon, NY 11703
Rating 3.9/5 26 reviews City government office,City Hall

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to West Babylon.

RAIL

Stamford Transportation Center

40 mi away
Washington Blvd and South State St.
RAIL

New Rochelle station

42 mi away
1 Railroad Plaza
RAIL

Yonkers station

52 mi away
5 Buena Vista Ave.
RAIL

Bridgeport

53 mi away
525 Water St.

Flight Path Map

This map shows the direct air route between Islip and Old Bethpage. Straight-line distance: 12.91 mi (20.78 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
Old Bethpage

#2 Old Bethpage

Census-designated place in Nassau County, New York

Population5,523
Coordinates40.7626000, -73.4531800
Altitude53
CountryUnited States
Start: Islip (-73.21039, 40.72982)
End: Old Bethpage (-73.45318, 40.7626)

Estimated Travel Time

Distance: 26 km by road

SpeedTime
30 mph (48.3 km/h)00h 32m
40 mph (64.37 km/h)00h 24m
50 mph (80.47 km/h)00h 19m
60 mph (96.56 km/h)00h 16m
70 mph (112.65 km/h)00h 14m
80 mph (129 km/h)00h 12m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.58 gal
2.19 L · about $2.33
Round trip
$4.65
1.16 gal · 4.38 L
Estimated CO2
5.2 kg one way
Round trip: 10.3 kg / 23 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.01 $2.33 $4.65
Mid-grade $4.48 $2.60 $5.20
Premium $4.86 $2.82 $5.64
Diesel $4.69 $2.72 $5.45

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 Old Bethpage. The current time is 08:10:45.

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.