How far is Mount Vernon, NY from Southampton, NY?

The driving distance from Mount Vernon, NY to Southampton, NY is about 90.5 miles (145.6 km), with a travel time of about 02h 10m by car.

  • The straight-line flight distance is about 75.6 miles (121.7 km).
  • For a round trip, plan for roughly 04h 20m 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
90.49 mi
02h 10m
Flight
75.62 mi
121.7 km direct

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

Learn Distance

Choose another destination from Mount Vernon.

Flight Distance

Direct air line
75.62 mi
Kilometers
121.7 km
Flight Time
00h 09m

Driving Distance

Road route
90.49 mi
Kilometers
145.63 km
Drive Time
02h 10m

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 02h 10m.

Arrival Snapshot
Arrive in Southampton
Thu, Oct 15, 6:33 PM EDT
Return by in Mount Vernon
Thu, Oct 15, 8:44 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Mount Vernon
2026-10-15T16:23
Arrive Southampton
Thu, Oct 15, 6:33 PM EDT
Route Timing
02h 10m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
10:10 AM to 12:10 PM EDT

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

Leave by
2:10 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Mount Vernon
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
Hauppauge
NY

Census-designated place in Suffolk County, New York

From Mount Vernon
45.1 mi
01h 05m
To Southampton
45.4 mi
01h 05m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
63°F
This Afternoon

Sunny

Starts
Thu, Oct 15 1:00 PM EDT
Wind
7 mph E
Destination
Southampton Weather
NY
Live fallback forecast
61°F
Thursday
Using Cutchogue as the closest live forecast in the Suffolk County weather hub.

Sunny

Starts
Thu, Oct 15 6:00 AM EDT
Wind
6 to 10 mph NE

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Mount Vernon and Southampton.

  1. 1

    Start on East Prospect Avenue

    96 m · 18 sec · East Prospect Avenue

  2. 2

    Turn left onto North 5th Avenue

    1.5 mi · 4 min · North 5th Avenue

  3. 3

    Continue on Dyre Avenue

    2676 ft · 1 min · Dyre Avenue

  4. 4

    Continue on Steenwick Avenue

    1010 ft · 31 sec · Steenwick Avenue

  5. 5

    At the end of the road, turn right onto New England Thruway

    1634 ft · 33 sec · New England Thruway

  6. 6

    Take the ramp straight toward I 95 South

    576 ft · 14 sec

  7. 7

    Merge slight left onto New England Thruway

    1.5 mi · 2 min · New England Thruway

  8. 8

    Continue on Bruckner Expressway

    1.3 mi · 2 min · Bruckner Expressway

  9. 9

    Keep slight left to continue on Throgs Neck Expressway

    2.2 mi · 3 min · Throgs Neck Expressway

  10. 10

    Continue on Throgs Neck Bridge

    2 mi · 3 min · Throgs Neck Bridge

  11. 11

    Continue on Clearview Expressway

    3.2 mi · 3 min · Clearview Expressway

  12. 12

    Take the exit slight right toward I 495: Manhattan, Eastern Long Island

    810 ft · 28 sec

  13. 13

    Keep slight left to continue on I 495 East: Long Island Expressway, Eastern Long Island

    1448 ft · 39 sec

  14. 14

    Merge slight left onto Long Island Expressway

    53.4 mi · 1 hr 13 min · Long Island Expressway

  15. 15

    Take the exit slight right toward CR 111: Manorville, Eastport

    1699 ft · 36 sec

  16. 16

    Turn right onto Captain Daniel Roe Highway

    4.6 mi · 7 min · Captain Daniel Roe Highway

  17. 17

    Take the exit left toward NY 27 East: Montauk

    3187 ft · 49 sec

  18. 18

    Merge slight left onto Sunrise Highway

    13.2 mi · 16 min · Sunrise Highway

  19. 19

    Continue on County Road 39

    4 mi · 9 min · County Road 39

  20. 20

    Turn right onto North Sea Road

    1.1 km · 2 min · North Sea Road

  21. 21

    Continue on Main Street

    1789 ft · 1 min · Main Street

  22. 22

    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 Southampton.

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
22 steps
4 turns on the saved route
Ramps & Exits
7
3 merges, 4 ramps or exits
Navigation Density
24.3 / 100 mi
Decision points by distance
Main Roads
Long Island Expressway
53.4 mi · 59%
Sunrise Highway
13.2 mi · 15%
Captain Daniel Roe Highway
4.63 mi · 5%
County Road 39
3.98 mi · 4%
Clearview Expressway
3.19 mi · 4%
Throgs Neck Expressway
2.17 mi · 2%
Longest Stretch

Long Island Expressway

Merge slight left onto Long Island Expressway

53.4 mi · 01h 13m

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
02h 10m
Day trip friendly
Same-Day Return
04h 20m
Round-trip wheel time
Road vs Air
+14.9 mi
75.6 mi direct line
Halfway Stop
Hauppauge
01h 05m from Mount Vernon
Leave By
2:10 PM EDT
Morning start is best
Weather Watch

Sunny leaving Mount Vernon and Sunny near Southampton.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Mount Vernon to Southampton?

The road trip is about 90.5 miles (145.6 km) and usually takes 02h 10m 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?

Hauppauge is a useful midpoint, sitting about 45.1 miles from Mount Vernon and 45.4 miles from Southampton.

How much longer is the road route than the straight-line distance?

The direct path is about 75.6 miles (121.7 km), while the road route adds roughly 14.9 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 2:10 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $14.19 one way or $28.38 round trip. Estimated CO2 is about 28.3 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Mount Vernon and Sunny near Southampton.

Stop Ideas Near Hauppauge

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 Hauppauge and the surrounding midpoint area.
Town of Babylon History Museum at Old Town Hall
Scenic stop 10.1 mi away

Town of Babylon History Museum at Old Town Hall

Babylon , NY
47 W Main St, Babylon, NY 11702
Rating 4.6/5 26 reviews Tourist attraction,History museum
Brookhaven Town Hall
Meeting point 10 mi away

Brookhaven Town Hall

Farmingville , NY
1 Independence Hill, Farmingville, NY 11738
Rating 3.4/5 48 reviews City Hall

Transit and Meeting Points

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

RAIL

Stamford Transportation Center

38 mi away
Washington Blvd and South State St.
RAIL

Bridgeport

39 mi away
525 Water St.
RAIL

New Rochelle station

50 mi away
1 Railroad Plaza
RAIL

Union Station

57 mi away
50 Union Avenue

Flight Path Map

This map shows the direct air route between Mount Vernon and Southampton. Straight-line distance: 75.62 mi (121.7 km).

Mount Vernon

#1 Mount Vernon

The most populous city in Westchester County, New York.

Population68,628
Coordinates40.9126000, -73.8370800
Altitude33
CountryUnited States
Southampton

#2 Southampton

Town in Suffolk County, New York, partly on the South Fork of Long Island, USA

Population58,549
Coordinates40.8842700, -72.3895300
Altitude8
CountryUnited States
Start: Mount Vernon (-73.83708, 40.9126)
End: Southampton (-72.38953, 40.88427)

Estimated Travel Time

Distance: 146 km by road

SpeedTime
30 mph (48.3 km/h)03h 00m
40 mph (64.37 km/h)02h 15m
50 mph (80.47 km/h)01h 48m
60 mph (96.56 km/h)01h 30m
70 mph (112.65 km/h)01h 17m
80 mph (129 km/h)01h 07m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
3.19 gal
12.09 L · about $14.19
Round trip
$28.38
6.38 gal · 24.18 L
Estimated CO2
28.3 kg one way
Round trip: 56.7 kg / 125 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.45 $14.19 $28.38
Mid-grade $4.98 $15.89 $31.79
Premium $5.38 $17.17 $34.34
Diesel $6.51 $20.76 $41.53

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 · Oct 15, 2026

There is no time difference between Mount Vernon and Southampton. The current time is 16:23:27.

Distance to Other Cities

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