How far is Rockville Centre, NY from Islip, NY?
The driving distance from Rockville Centre, NY to Islip, NY is about 27.5 miles (44.2 km), with a travel time of about 00h 37m by car.
- The straight-line flight distance is about 23.1 miles (37.2 km).
- For a round trip, plan for roughly 01h 14m 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 37m.
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.
Village in New York
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers Likely
Rain Showers Likely
Driving Route Map
The map below follows the saved road route between Rockville Centre and Islip.
Turn-by-Turn Driving Directions
Step-by-step road directions between Rockville Centre and Islip.
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1
Start on Maple Avenue
14 m · 7 sec · Maple Avenue
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2
Turn right onto Morris Avenue
595 ft · 28 sec · Morris Avenue
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3
Turn left onto Sunrise Highway
21 mi · 28 min · Sunrise Highway
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4
Take the exit slight right toward CR 13: Fifth Avenue, Bay Shore, Brentwood
738 ft · 18 sec
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5
Turn straight onto Sunrise Highway
2138 ft · 42 sec · Sunrise Highway
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6
Turn right onto 3rd Avenue
1398 ft · 38 sec · 3rd Avenue
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7
At the end of the road, turn straight onto Roosevelt Street
58 m · 6 sec · Roosevelt Street
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8
Continue on 3rd Avenue
1 km · 1 min · 3rd Avenue
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9
At the end of the road, turn left onto East Main Street
1.1 mi · 2 min · East Main Street
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10
Continue on Montauk Highway
1014 ft · 17 sec · Montauk Highway
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11
Continue on Main Street
1.2 km · 1 min · Main Street
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12
Arrive at your destination
0 m · 1 sec · Main Street
Car Route Details
A richer read on the saved driving route between Rockville Centre 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.
Sunrise Highway
Turn left onto Sunrise Highway
21 mi · 00h 28m
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.
Rain Showers Likely leaving Rockville Centre 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 Rockville Centre to Islip?
The road trip is about 27.5 miles (44.2 km) and usually takes 00h 37m 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?
Amityville is a useful midpoint, sitting about 12.3 miles from Rockville Centre and 15.2 miles from Islip.
How much longer is the road route than the straight-line distance?
The direct path is about 23.1 miles (37.2 km), while the road route adds roughly 4.4 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 7:16 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.89 one way or $7.78 round trip. Estimated CO2 is about 8.6 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely around Rockville Centre and Rain Showers Likely near Islip.
Stop Ideas Near Amityville
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 Amityville.
New Rochelle station
Stamford Transportation Center
Pennsylvania Station
Yonkers station
Flight Path Map
This map shows the direct air route between Rockville Centre and Islip. Straight-line distance: 23.1 mi (37.17 km).
#1 Rockville Centre
Village in Nassau County, New York, United States
| Population | 24,398 |
| Coordinates | 40.6587100, -73.6412400 |
| Altitude | 9 |
| 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: Main Street (-73.210382, 40.729789)
Estimated Travel Time
Distance: 44 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 54m |
| 40 mph (64.37 km/h) | 00h 41m |
| 50 mph (80.47 km/h) | 00h 32m |
| 60 mph (96.56 km/h) | 00h 27m |
| 70 mph (112.65 km/h) | 00h 23m |
| 80 mph (129 km/h) | 00h 20m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.01 | $3.89 | $7.78 |
| Mid-grade | $4.48 | $4.35 | $8.69 |
| Premium | $4.86 | $4.72 | $9.43 |
| Diesel | $4.69 | $4.55 | $9.11 |
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.