How far is Old Bethpage, NY from Islip, NY?
The driving distance from Old Bethpage, NY to Islip, NY is about 16.3 miles (26.2 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 54m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
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.
This is an easy same-day return drive.
Flight Distance
Driving Distance
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.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
Census-designated place in Suffolk County, New York
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms Likely
Rain Showers Likely
Driving Route Map
The map below follows the saved road route between Old Bethpage and Islip.
Turn-by-Turn Driving Directions
Step-by-step road directions between Old Bethpage and Islip.
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1
Start on Round Swamp Road
1.7 mi · 3 min · Round Swamp Road
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2
Continue on Bethpage Road
1877 ft · 38 sec · Bethpage Road
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3
Turn right onto North Main Street
1.3 km · 2 min · North Main Street
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4
Turn left onto Fulton Street
3092 ft · 1 min · Fulton Street
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5
Continue on Farmingdale Road
1.4 mi · 2 min · Farmingdale Road
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6
Take the ramp slight right toward SO East: East Islip
796 ft · 21 sec
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7
Merge slight left onto Southern State Parkway
6.4 mi · 9 min · Southern State Parkway
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8
Keep slight left to continue on Southern State Parkway
1072 ft · 16 sec · Southern State Parkway
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9
Take the exit slight right toward Bay Shore Road South, Bay Shore
1044 ft · 32 sec
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10
Turn straight onto Bay Shore Road
2667 ft · 1 min · Bay Shore Road
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11
Continue on Howells Road
1845 ft · 44 sec · Howells Road
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12
Turn straight onto Sunrise Highway
104 m · 7 sec · Sunrise Highway
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13
Keep slight right to continue on Howells Road
3115 ft · 2 min · Howells Road
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14
Continue on Roosevelt Street
1248 ft · 25 sec · Roosevelt Street
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15
Continue on 3rd Avenue
1 km · 1 min · 3rd Avenue
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16
At the end of the road, turn left onto East Main Street
1.1 mi · 2 min · East Main Street
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17
Continue on Montauk Highway
1014 ft · 17 sec · Montauk Highway
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18
Continue on Main Street
1.2 km · 1 min · Main Street
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19
Arrive at your destination
0 m · 1 sec · Main Street
Car Route Details
A richer read on the saved driving route between Old Bethpage and Islip.
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.
Southern State Parkway
Merge slight left onto Southern State Parkway
6.4 mi · 00h 09m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Showers And Thunderstorms Likely leaving Old Bethpage 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 Old Bethpage to Islip?
The road trip is about 16.3 miles (26.2 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 Old Bethpage and 8.1 miles from Islip.
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 7:36 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.29 one way or $4.57 round trip. Estimated CO2 is about 5.1 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around Old Bethpage and Rain Showers Likely near Islip.
Stop Ideas Near West Babylon
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Town of Babylon History Museum at Old Town Hall
Babylon Town Hall Annex
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to West Babylon.
Stamford Transportation Center
New Rochelle station
Yonkers station
Bridgeport
Flight Path Map
This map shows the direct air route between Old Bethpage and Islip. Straight-line distance: 12.91 mi (20.78 km).
#1 Old Bethpage
Census-designated place in Nassau County, New York
| Population | 5,523 |
| Coordinates | 40.7626000, -73.4531800 |
| Altitude | 53 |
| Country | United States |
#2 Islip
This Long Island community is situated on the south shore of Suffolk County, New York, at an elevation of 13 feet.
| Population | 322,328 |
| Coordinates | 40.7298200, -73.2103900 |
| Altitude | 4 |
| Country | United States |
End: Islip (-73.21039, 40.72982)
Estimated Travel Time
Distance: 26 km by road
| Speed | Time |
|---|---|
| 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 13m |
| 80 mph (129 km/h) | 00h 12m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.01 | $2.29 | $4.57 |
| Mid-grade | $4.48 | $2.55 | $5.11 |
| Premium | $4.86 | $2.77 | $5.54 |
| Diesel | $4.69 | $2.68 | $5.35 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.