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

The driving distance from Mount Vernon, NY to Ontario, NY is about 316.2 miles (508.9 km), with a travel time of about 06h 42m by car.

  • The straight-line flight distance is about 238 miles (383.1 km).
  • For a round trip, plan for roughly 13h 25m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM EDT.
Trip Tools

Reverse, save, or send this route

This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
316.21 mi
06h 42m
Flight
238.03 mi
383.07 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Mount Vernon.

Flight Distance

Direct air line
238.03 mi
Kilometers
383.07 km
Flight Time
00h 28m

Driving Distance

Road route
316.21 mi
Kilometers
508.89 km
Drive Time
06h 42m

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 06h 42m.

Arrival Snapshot
Arrive in Ontario
Thu, Oct 15, 11:05 PM EDT
Return by in Mount Vernon
Fri, Oct 16, 5:48 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Mount Vernon
2026-10-15T16:22
Arrive Ontario
Thu, Oct 15, 11:05 PM EDT
Route Timing
06h 42m
One way by road
Best Departure Window
6:00 AM to 7:30 AM EDT
Treat this as a longer travel day
Arrive between
12:43 PM to 2:13 PM EDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
10:34 PM EDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Mount Vernon
8:00 PM EDT
Overnight-style route

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
Windsor
NY

Town in Broome County, New York, United States

From Mount Vernon
157 mi
03h 21m
To Ontario
159.1 mi
03h 21m

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
56°F
This Afternoon

Partly Sunny

Starts
Thu, Oct 15 1:00 PM EDT
Wind
8 mph NE

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on East Prospect Avenue

    17 m · 9 sec · East Prospect Avenue

  2. 2

    Turn left onto Gramatan Avenue

    110 m · 13 sec · Gramatan Avenue

  3. 3

    Turn right onto West 1st Street

    2010 ft · 51 sec · West 1st Street

  4. 4

    Turn right onto West Lincoln Avenue

    68 m · 6 sec · West Lincoln Avenue

  5. 5

    Turn left onto Mount Vernon Avenue

    2094 ft · 39 sec · Mount Vernon Avenue

  6. 6

    Continue on Yonkers Avenue

    1.1 mi · 2 min · Yonkers Avenue

  7. 7

    Turn right onto Central Park Avenue

    1.1 mi · 3 min · Central Park Avenue

  8. 8

    Take the ramp straight toward I 87 North, New York State Thruway North: Governor Mario M. Cuomo Bridge, Albany

    906 ft · 22 sec

  9. 9

    Merge slight left onto New York State Thruway

    17.9 mi · 24 min · New York State Thruway

  10. 10

    Take the exit slight right toward Palisades Parkway North, Bear Mountain

    1.1 km · 1 min

  11. 11

    Merge slight left onto Palisades Interstate Parkway

    14.9 mi · 17 min · Palisades Interstate Parkway

  12. 12

    Take the exit slight left toward I-87: US 6 West, NY 17, New York State Thruway

    1972 ft · 49 sec

  13. 13

    Enter the roundabout and take exit 2 toward Long Mountain Circle

    114 m · 5 sec · Long Mountain Parkway

  14. 14

    Exit the rotary onto Long Mountain Parkway

    107.5 mi · 2 hr 15 min · Long Mountain Parkway

  15. 15

    Continue straight

    33.7 mi · 40 min

  16. 16

    Keep slight right to continue on I 81 North: Syracuse, Albany

    1.8 mi · 2 min

  17. 17

    Keep slight left to continue on I 81 North: Syracuse

    66.5 mi · 1 hr 17 min

  18. 18

    Keep slight left to continue on Syracuse

    1159 ft · 18 sec

  19. 19

    Continue straight

    2193 ft · 27 sec

  20. 20

    Continue straight

    2.9 mi · 4 min

  21. 21

    Take the exit slight right toward I 690 West: Fairgrounds, Baldwinsville

    1240 ft · 24 sec

  22. 22

    Merge slight right onto Fairgrounds, Baldwinsville

    8.6 mi · 10 min

  23. 23

    Continue straight

    5.5 mi · 6 min

  24. 24

    Take the exit slight right

    1503 ft · 37 sec

  25. 25

    Continue on West Genesee Road

    5.9 mi · 9 min · West Genesee Road

  26. 26

    Continue on Main Street

    1.2 mi · 2 min · Main Street

  27. 27

    Continue on State Route 370

    1.2 mi · 2 min · State Route 370

  28. 28

    Continue on Main Street

    3.6 mi · 8 min · Main Street

  29. 29

    Continue on State Highway 370

    7.9 mi · 11 min · State Highway 370

  30. 30

    Continue on State Route 370

    2.1 mi · 3 min · State Route 370

  31. 31

    Turn straight onto Ridge Road

    2.2 mi · 3 min · Ridge Road

  32. 32

    Turn left

    26.8 mi · 37 min

  33. 33

    Take the exit slight left

    142 m · 28 sec

  34. 34

    Turn straight onto Furnace Road

    2357 ft · 1 min · Furnace Road

  35. 35

    Turn left onto Ridge Road

    28 m · 3 sec · Ridge Road

  36. 36

    Arrive at your destination

    0 m · 1 sec · Ridge Road

Car Route Details

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

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
36 steps
11 turns on the saved route
Ramps & Exits
11
3 merges, 8 ramps or exits
Navigation Density
11.4 / 100 mi
Decision points by distance
Main Roads
Long Mountain Parkway
141 mi · 45%
I 81 North
68.3 mi · 22%
New York State Thruway
17.9 mi · 6%
Palisades Interstate Parkway
14.9 mi · 5%
Fairgrounds
14.3 mi · 5%
State Highway 370
7.87 mi · 2%
Longest Stretch

Long Mountain Parkway

Exit the rotary onto Long Mountain Parkway

108 mi · 02h 15m

Route Summary

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

Trip Read

Better with a longer stop

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

Drive Time
06h 42m
Overnight route
Same-Day Return
13h 26m
Round-trip wheel time
Road vs Air
+78.2 mi
238 mi direct line
Halfway Stop
Windsor
03h 21m from Mount Vernon
Leave By
10:34 PM EDT
Overnight-style route
Weather Watch

Sunny leaving Mount Vernon and Partly Sunny near Ontario.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 316.2 miles (508.9 km) and usually takes 06h 42m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

What is the halfway point on this route?

Windsor is a useful midpoint, sitting about 157 miles from Mount Vernon and 159.1 miles from Ontario.

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

The direct path is about 238 miles (383.1 km), while the road route adds roughly 78.2 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 6:00 AM to 7:30 AM EDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $49.64 one way or $99.28 round trip. Estimated CO2 is about 99.2 kg one way.

What should you check before leaving?

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

Stop Ideas Near Windsor

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

Mid-route Guidance
Local place coverage is thin around Windsor, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

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

BUS

Scranton, PA

74 mi away
23 Lackawanna Avenue
BUS

Wilkes-Barre, PA

95 mi away
47 South Washington Street
BUS

White Haven, PA

112 mi away
I-476, Exit 95/I-80, Exit 277, at Hwy 940
RAIL

Union Station

119 mi away
321 Main St.

Flight Path Map

This map shows the direct air route between Mount Vernon and Ontario. Straight-line distance: 238.03 mi (383.07 km).

Mount Vernon

#1 Mount Vernon

The most populous city in Westchester County, New York.

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

#2 Ontario

Human settlement in United States of America

Population10,173
Coordinates43.2209000, -77.2830400
Altitude134
CountryUnited States
Start: Mount Vernon (-73.83708, 40.9126)
End: Ontario (-77.28304, 43.2209)

Estimated Travel Time

Distance: 509 km by road

SpeedTime
30 mph (48.3 km/h)10h 32m
40 mph (64.37 km/h)07h 54m
50 mph (80.47 km/h)06h 19m
60 mph (96.56 km/h)05h 16m
70 mph (112.65 km/h)04h 31m
80 mph (129 km/h)03h 56m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
11.16 gal
42.24 L · about $49.64
Round trip
$99.28
22.32 gal · 84.48 L
Estimated CO2
99.2 kg one way
Round trip: 198.4 kg / 437 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.45 $49.64 $99.28
Mid-grade $4.98 $55.60 $111.20
Premium $5.38 $60.06 $120.13
Diesel $6.51 $72.64 $145.28

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 Ontario. The current time is 16:22:42.

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.