How far is Mount Vernon, NY from West Islip, NY?
The driving distance from Mount Vernon, NY to West Islip, NY is about 42.7 miles (68.7 km), with a travel time of about 01h 04m by car.
- The straight-line flight distance is about 31.2 miles (50.2 km).
- For a round trip, plan for roughly 02h 09m 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 04m.
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.
City in Nassau County, New York, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Clear
Sunny
Driving Route Map
The map below follows the saved road route between Mount Vernon and West Islip.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mount Vernon and West 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
18 mi · 22 min · Southern State Parkway
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20
Take the exit slight right toward NY 109 East: Babylon
1161 ft · 35 sec
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21
Turn slight right onto Farmingdale Road
3.5 mi · 6 min · Farmingdale Road
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22
Continue on Little East Neck Road North
2843 ft · 1 min · Little East Neck Road North
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23
Turn left onto Trolley Line Road
3248 ft · 1 min · Trolley Line Road
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24
Continue on Railroad Avenue
997 ft · 23 sec · Railroad Avenue
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25
Turn left onto Deer Park Avenue
824 ft · 22 sec · Deer Park Avenue
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26
Turn right onto Simon Street
106 m · 7 sec · Simon Street
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27
Continue on John Street
108 m · 9 sec · John Street
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28
Keep slight left to continue on John Street
2073 ft · 59 sec · John Street
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29
Continue on Union Boulevard
2178 ft · 1 min · Union Boulevard
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30
Arrive at your destination
0 m · 1 sec · Union Boulevard
Car Route Details
A richer read on the saved driving route between Mount Vernon and West 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
18 mi · 00h 22m
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.
Mostly Clear leaving Mount Vernon and Sunny near West Islip.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Mount Vernon to West Islip?
The road trip is about 42.7 miles (68.7 km) and usually takes 01h 04m 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?
Malverne is a useful midpoint, sitting about 21.3 miles from Mount Vernon and 21.4 miles from West Islip.
How much longer is the road route than the straight-line distance?
The direct path is about 31.2 miles (50.2 km), while the road route adds roughly 11.5 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 4:20 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.05 one way or $12.11 round trip. Estimated CO2 is about 13.4 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Clear around Mount Vernon and Sunny near West Islip.
Stop Ideas Near Malverne
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 Malverne.
New Rochelle station
Pennsylvania Station
Yonkers station
Pennsylvania Station
Flight Path Map
This map shows the direct air route between Mount Vernon and West Islip. Straight-line distance: 31.21 mi (50.23 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 West Islip
Census-designated place in Suffolk County, New York
| Population | 28,335 |
| Coordinates | 40.7062100, -73.3062300 |
| Altitude | 6 |
| Country | United States |
End: West Islip (-73.30623, 40.70621)
Estimated Travel Time
Distance: 69 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 25m |
| 40 mph (64.37 km/h) | 01h 04m |
| 50 mph (80.47 km/h) | 00h 51m |
| 60 mph (96.56 km/h) | 00h 42m |
| 70 mph (112.65 km/h) | 00h 36m |
| 80 mph (129 km/h) | 00h 31m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.01 | $6.05 | $12.11 |
| Mid-grade | $4.48 | $6.77 | $13.53 |
| Premium | $4.86 | $7.34 | $14.68 |
| Diesel | $4.69 | $7.09 | $14.18 |
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 · Jul 26, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.