How far is Mount Vernon, NY from Islip, NY?
The driving distance from Mount Vernon, NY to Islip, NY is about 47.9 miles (77.1 km), with a travel time of about 01h 11m by car.
- The straight-line flight distance is about 35.1 miles (56.5 km).
- For a round trip, plan for roughly 02h 22m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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.
This route works well as a day trip with time at the destination.
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 01h 11m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 Nassau County, New York
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Mount Vernon and Islip.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mount Vernon and Islip.
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1
Start on East Prospect Avenue
96 m · 18 sec · East Prospect Avenue
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2
Turn left onto North 5th Avenue
1.5 mi · 4 min · North 5th Avenue
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3
Continue on Dyre Avenue
2676 ft · 1 min · Dyre Avenue
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4
Continue on Steenwick Avenue
1010 ft · 31 sec · Steenwick Avenue
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5
At the end of the road, turn right onto New England Thruway
1634 ft · 33 sec · New England Thruway
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6
Take the ramp straight toward I 95 South
576 ft · 14 sec
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7
Merge slight left onto New England Thruway
1.5 mi · 2 min · New England Thruway
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8
Continue on Bruckner Expressway
1.3 mi · 2 min · Bruckner Expressway
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9
Keep slight left to continue on Throgs Neck Expressway
2.2 mi · 3 min · Throgs Neck Expressway
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10
Continue on Throgs Neck Bridge
2 mi · 3 min · Throgs Neck Bridge
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11
Continue on Clearview Expressway
5 mi · 5 min · Clearview Expressway
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12
Continue on Hollis Court Boulevard
1.2 km · 1 min · Hollis Court Boulevard
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13
At the end of the road, turn left onto Jamaica Avenue
1117 ft · 35 sec · Jamaica Avenue
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14
Turn right onto Hempstead Avenue
1.4 km · 2 min · Hempstead Avenue
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15
Turn right onto 225th Street
69 m · 10 sec · 225th Street
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16
Take the ramp straight toward Cross Island Parkway South, Verrazano Bridge
1171 ft · 29 sec
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17
Merge slight left onto Cross Island Parkway
1.3 mi · 2 min · Cross Island Parkway
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18
Take the exit slight left toward Southern State Parkway East, Eastern Long Island
2383 ft · 1 min
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19
Merge slight left onto Southern State Parkway
24.5 mi · 31 min · Southern State Parkway
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20
Keep slight left to continue on Southern State Parkway
1072 ft · 16 sec · Southern State Parkway
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21
Take the exit slight right toward Bay Shore Road South, Bay Shore
1044 ft · 30 sec
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22
Turn straight onto Bay Shore Road
2667 ft · 1 min · Bay Shore Road
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23
Continue on Howells Road
1845 ft · 46 sec · Howells Road
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24
Turn straight onto Sunrise Highway
104 m · 7 sec · Sunrise Highway
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25
Keep slight right to continue on Howells Road
3115 ft · 2 min · Howells Road
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26
Continue on Roosevelt Street
1248 ft · 25 sec · Roosevelt Street
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27
Continue on 3rd Avenue
1 km · 1 min · 3rd Avenue
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28
At the end of the road, turn left onto East Main Street
1.1 mi · 2 min · East Main Street
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29
Continue on Montauk Highway
1014 ft · 17 sec · Montauk Highway
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30
Continue on Main Street
1.2 km · 1 min · Main Street
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31
Arrive at your destination
0 m · 1 sec · Main Street
Car Route Details
A richer read on the saved driving route between Mount Vernon and Islip.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Southern State Parkway
Merge slight left onto Southern State Parkway
24.5 mi · 00h 31m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Sunny leaving Mount Vernon and Sunny near Islip.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Mount Vernon to Islip?
The road trip is about 47.9 miles (77.1 km) and usually takes 01h 11m 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?
South Hempstead is a useful midpoint, sitting about 23.9 miles from Mount Vernon and 24 miles from Islip.
How much longer is the road route than the straight-line distance?
The direct path is about 35.1 miles (56.5 km), while the road route adds roughly 12.8 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 4:08 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.78 one way or $13.55 round trip. Estimated CO2 is about 15 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Mount Vernon and Sunny near Islip.
Stop Ideas Near South Hempstead
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Flushing Town Hall
Wedding Photographer City Hall New York
Queens City Clerk
Queens Borough hall * City Hall Wedding Photographer
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to South Hempstead.
New Rochelle station
Pennsylvania Station
Yonkers station
Stamford Transportation Center
Flight Path Map
This map shows the direct air route between Mount Vernon and Islip. Straight-line distance: 35.11 mi (56.51 km).
#1 Mount Vernon
The most populous city in Westchester County, New York.
| Population | 68,628 |
| Coordinates | 40.9126000, -73.8370800 |
| Altitude | 33 |
| 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: 77 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 35m |
| 40 mph (64.37 km/h) | 01h 11m |
| 50 mph (80.47 km/h) | 00h 57m |
| 60 mph (96.56 km/h) | 00h 47m |
| 70 mph (112.65 km/h) | 00h 41m |
| 80 mph (129 km/h) | 00h 35m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.01 | $6.78 | $13.55 |
| Mid-grade | $4.48 | $7.57 | $15.15 |
| Premium | $4.86 | $8.22 | $16.43 |
| Diesel | $4.69 | $7.93 | $15.87 |
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 21, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.