How far is Islip, NY from Rockville Centre, NY?
The driving distance from Islip, NY to Rockville Centre, NY is about 24.9 miles (40 km), with a travel time of about 00h 34m by car.
- The straight-line flight distance is about 23.1 miles (37.2 km).
- For a round trip, plan for roughly 01h 09m 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 34m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
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 Islip and Rockville Centre.
Turn-by-Turn Driving Directions
Step-by-step road directions between Islip and Rockville Centre.
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1
Start on Main Street
22 m · 7 sec · Main Street
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2
Turn right onto Nassau Avenue
1800 ft · 51 sec · Nassau Avenue
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3
Continue on Nassau Avenue
140 m · 13 sec · Nassau Avenue
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4
Continue on Commack Road
2487 ft · 1 min · Commack Road
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5
Turn left onto Sunrise Highway
1575 ft · 30 sec · Sunrise Highway
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6
Take the ramp slight left toward NY 27 West: New York
709 ft · 17 sec
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7
Merge slight left onto Sunrise Highway
23.4 mi · 31 min · Sunrise Highway
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8
Turn right onto Morris Avenue
595 ft · 34 sec · Morris Avenue
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9
Turn left onto Maple Avenue
14 m · 2 sec · Maple Avenue
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10
Arrive at your destination
0 m · 1 sec · Maple Avenue
Car Route Details
A richer read on the saved driving route between Islip and Rockville Centre.
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
Merge slight left onto Sunrise Highway
23.4 mi · 00h 31m
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 Islip and Rain Showers Likely near Rockville Centre.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Islip to Rockville Centre?
The road trip is about 24.9 miles (40 km) and usually takes 00h 34m 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 12.4 miles from Islip and 12.4 miles from Rockville Centre.
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 1.8 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 7:20 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.53 one way or $7.06 round trip. Estimated CO2 is about 7.8 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely around Islip and Rain Showers Likely near Rockville Centre.
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 Islip and Rockville Centre. Straight-line distance: 23.1 mi (37.17 km).
#1 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 |
#2 Rockville Centre
Village in Nassau County, New York, United States
| Population | 24,398 |
| Coordinates | 40.6587100, -73.6412400 |
| Altitude | 9 |
| Country | United States |
End: Rockville Centre (-73.64124, 40.65871)
Estimated Travel Time
Distance: 40 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 49m |
| 40 mph (64.37 km/h) | 00h 37m |
| 50 mph (80.47 km/h) | 00h 29m |
| 60 mph (96.56 km/h) | 00h 24m |
| 70 mph (112.65 km/h) | 00h 21m |
| 80 mph (129 km/h) | 00h 18m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.01 | $3.53 | $7.06 |
| Mid-grade | $4.48 | $3.94 | $7.89 |
| Premium | $4.86 | $4.28 | $8.56 |
| Diesel | $4.69 | $4.13 | $8.26 |
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.