How far is West Islip, NY from Mount Vernon, NY?

The driving distance from West Islip, NY to Mount Vernon, NY is about 47.3 miles (76.1 km), with a travel time of about 01h 08m by car.

  • The straight-line flight distance is about 31.2 miles (50.2 km).
  • For a round trip, plan for roughly 02h 17m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
47.28 mi
01h 08m
Flight
31.21 mi
50.23 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from West Islip.

Flight Distance

Direct air line
31.21 mi
Kilometers
50.23 km
Flight Time
00h 03m

Driving Distance

Road route
47.28 mi
Kilometers
76.09 km
Drive Time
01h 08m

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 08m.

Arrival Snapshot
Arrive in Mount Vernon
Thu, Jul 16, 5:22 PM EDT
Return by in West Islip
Thu, Jul 16, 6:31 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave West Islip
2026-07-16T16:14
Arrive Mount Vernon
Thu, Jul 16, 5:22 PM EDT
Route Timing
01h 08m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:09 AM to 11:09 AM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:12 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in West Islip
9:30 PM EDT
Morning start is best

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.

Mid-route stop
Malverne
NY

City in Nassau County, New York, United States of America

From West Islip
21.6 mi
00h 34m
To Mount Vernon
25.6 mi
00h 34m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
West Islip Weather
NY
Live fallback forecast
85°F
Thursday
Using Wheatley Heights as the closest live forecast in the Suffolk County weather hub.

Areas Of Smoke then Mostly Sunny

Starts
Thu, Jul 16 6:00 AM EDT
Wind
3 to 14 mph W
Destination
93°F
Thursday

Areas Of Smoke

Starts
Thu, Jul 16 6:00 AM EDT
Wind
3 to 14 mph W

Driving Route Map

The map below follows the saved road route between West Islip and Mount Vernon.

Turn-by-Turn Driving Directions

Step-by-step road directions between West Islip and Mount Vernon.

  1. 1

    Start on Union Boulevard

    2187 ft · 1 min · Union Boulevard

  2. 2

    Continue on John Street

    1859 ft · 53 sec · John Street

  3. 3

    Keep slight right to continue on John Street

    101 m · 9 sec · John Street

  4. 4

    Turn left onto Simon Street

    103 m · 7 sec · Simon Street

  5. 5

    Keep slight left to continue on Simon Street

    72 m · 10 sec · Simon Street

  6. 6

    Turn left onto Deer Park Avenue

    844 ft · 20 sec · Deer Park Avenue

  7. 7

    Turn right onto Railroad Avenue

    997 ft · 20 sec · Railroad Avenue

  8. 8

    Continue on Trolley Line Road

    3190 ft · 1 min · Trolley Line Road

  9. 9

    Turn right onto Little East Neck Road North

    3016 ft · 1 min · Little East Neck Road North

  10. 10

    Continue on Farmingdale Road

    3.6 mi · 6 min · Farmingdale Road

  11. 11

    Take the ramp slight right toward SO West: New York

    965 ft · 25 sec

  12. 12

    Merge slight left onto Southern State Parkway

    17.9 mi · 22 min · Southern State Parkway

  13. 13

    Take the exit slight right toward Cross Island Parkway North, Whitestone Bridge

    1780 ft · 43 sec

  14. 14

    Merge slight left onto Cross Island Parkway

    1.3 mi · 2 min · Cross Island Parkway

  15. 15

    Take the exit slight right toward NY 24: UBS Arena-Belmont Park

    97 m · 9 sec

  16. 16

    Keep slight left to continue on NY 24 West: Hempstead Avenue

    133 m · 12 sec

  17. 17

    Keep slight right to continue on Cross Island Parkway North, Hempstead Avenue West

    532 ft · 15 sec

  18. 18

    Keep slight right to continue on Hempstead Avenue West

    81 m · 8 sec

  19. 19

    Continue on Grandstand, Hempstead Avenue West

    549 ft · 14 sec

  20. 20

    Keep slight left to continue on Hempstead Avenue

    31 m · 5 sec

  21. 21

    Turn right onto Hempstead Avenue

    1.6 km · 2 min · Hempstead Avenue

  22. 22

    Turn left onto Jamaica Avenue

    553 ft · 17 sec · Jamaica Avenue

  23. 23

    Turn right onto 212th Street

    1.2 km · 1 min · 212th Street

  24. 24

    Continue on Clearview Expressway

    5 mi · 5 min · Clearview Expressway

  25. 25

    Continue on Throgs Neck Bridge

    2 mi · 3 min · Throgs Neck Bridge

  26. 26

    Continue on Throgs Neck Expressway

    1.1 km · 1 min · Throgs Neck Expressway

  27. 27

    Keep slight right to continue on Throgs Neck Expressway

    1.8 mi · 3 min · Throgs Neck Expressway

  28. 28

    Merge slight right onto Bruckner Expressway

    1 mi · 2 min · Bruckner Expressway

  29. 29

    Continue on New England Thruway

    1074 ft · 18 sec · New England Thruway

  30. 30

    Take the exit slight right toward Hutchinson Parkway North

    131 m · 15 sec

  31. 31

    Keep slight left to continue on Hutchinson River Parkway North

    912 ft · 31 sec

  32. 32

    Merge slight left onto Hutchinson River Parkway

    1.9 mi · 3 min · Hutchinson River Parkway

  33. 33

    Take the exit slight right toward US 1: Pelham Manor

    900 ft · 22 sec

  34. 34

    Keep slight left to continue on US 1 South: Shopping Center, Saint Paul's Church

    80 m · 15 sec

  35. 35

    Turn left onto Boston Post Road

    901 ft · 30 sec · Boston Post Road

  36. 36

    Turn right onto Pelham Parkway

    1474 ft · 36 sec · Pelham Parkway

  37. 37

    Continue on South Fulton Avenue

    1.3 mi · 3 min · South Fulton Avenue

  38. 38

    Turn left onto East 1st Street

    2337 ft · 55 sec · East 1st Street

  39. 39

    Turn right onto Gramatan Avenue

    110 m · 14 sec · Gramatan Avenue

  40. 40

    Turn right onto East Prospect Avenue

    17 m · 2 sec · East Prospect Avenue

  41. 41

    Arrive at your destination

    0 m · 1 sec · East Prospect Avenue

Car Route Details

A richer read on the saved driving route between West Islip and Mount Vernon.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
41 steps
12 turns on the saved route
Ramps & Exits
9
4 merges, 5 ramps or exits
Navigation Density
86.7 / 100 mi
Decision points by distance
Main Roads
Southern State Parkway
17.9 mi · 38%
Clearview Expressway
5.02 mi · 11%
Farmingdale Road
3.59 mi · 8%
Throgs Neck Expressway
2.48 mi · 5%
Throgs Neck Bridge
2 mi · 4%
Hutchinson River Parkway
1.94 mi · 4%
Longest Stretch

Southern State Parkway

Merge slight left onto Southern State Parkway

17.9 mi · 00h 22m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
01h 08m
Day trip friendly
Same-Day Return
02h 18m
Round-trip wheel time
Road vs Air
+16.1 mi
31.2 mi direct line
Halfway Stop
Malverne
00h 34m from West Islip
Leave By
4:12 PM EDT
Morning start is best
Weather Watch

Areas Of Smoke then Mostly Sunny leaving West Islip and Areas Of Smoke near Mount Vernon.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from West Islip to Mount Vernon?

The road trip is about 47.3 miles (76.1 km) and usually takes 01h 08m 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 21.6 miles from West Islip and 25.6 miles from Mount Vernon.

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 16.1 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 4:12 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $6.70 one way or $13.39 round trip. Estimated CO2 is about 14.8 kg one way.

What should you check before leaving?

Before you leave, expect Areas Of Smoke then Mostly Sunny around West Islip and Areas Of Smoke near Mount Vernon.

Stop Ideas Near Malverne

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Malverne and the surrounding midpoint area.
Flushing Town Hall
Scenic stop 9.6 mi away

Flushing Town Hall

Queens , NY
137-35 Northern Blvd, Queens, NY 11354
Rating 4.4/5 358 reviews Tourist attraction,Art center
Wedding Photographer City Hall New York
Practical stop 13.4 mi away

Wedding Photographer City Hall New York

Malverne
Rating 5.0/5 13 reviews Wedding photographer,Service establishment
Queens City Clerk
Meeting point 8 mi away

Queens City Clerk

Jamaica , NY
12055 Queens Blvd # 7, Jamaica, NY 11424
Rating 2.8/5 74 reviews City clerk's office,City government office
Queens Borough hall * City Hall Wedding Photographer
Nearby stop 8 mi away

Queens Borough hall * City Hall Wedding Photographer

Kew Gardens , NY
120-55 Queens Blvd, Kew Gardens, NY 11424
Wedding photographer

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Malverne.

RAIL

New Rochelle station

28 mi away
1 Railroad Plaza
RAIL

Pennsylvania Station

28 mi away
8th Ave 31st Street / 8th Ave 33rd Street
RAIL

Yonkers station

34 mi away
5 Buena Vista Ave.
RAIL

Pennsylvania Station

42 mi away
1 Raymond Plaza West

Flight Path Map

This map shows the direct air route between West Islip and Mount Vernon. Straight-line distance: 31.21 mi (50.23 km).

West Islip

#1 West Islip

Census-designated place in Suffolk County, New York

Population28,335
Coordinates40.7062100, -73.3062300
Altitude6
CountryUnited States
Mount Vernon

#2 Mount Vernon

The most populous city in Westchester County, New York.

Population68,628
Coordinates40.9126000, -73.8370800
Altitude33
CountryUnited States
Start: Union Boulevard (-73.306232, 40.70624)
End: East Prospect Avenue (-73.83708, 40.912722)

Estimated Travel Time

Distance: 76 km by road

SpeedTime
30 mph (48.3 km/h)01h 34m
40 mph (64.37 km/h)01h 10m
50 mph (80.47 km/h)00h 56m
60 mph (96.56 km/h)00h 47m
70 mph (112.65 km/h)00h 40m
80 mph (129 km/h)00h 35m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.67 gal
6.32 L · about $6.70
Round trip
$13.39
3.34 gal · 12.64 L
Estimated CO2
14.8 kg one way
Round trip: 29.7 kg / 65 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.01 $6.70 $13.39
Mid-grade $4.48 $7.48 $14.97
Premium $4.86 $8.12 $16.24
Diesel $4.69 $7.84 $15.68

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 16, 2026

There is no time difference between West Islip and Mount Vernon. The current time is 16:14:11.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.