How far is Mount Vernon, NY from Union, NY?
The driving distance from Mount Vernon, NY to Union, NY is about 229.8 miles (369.8 km), with a travel time of about 04h 55m by car.
- The straight-line flight distance is about 171.4 miles (275.8 km).
- For a round trip, plan for roughly 09h 51m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
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.
This drive is better planned with a longer stop or an overnight stay.
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 04h 55m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Town in Sullivan County, New York, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Mount Vernon and Union.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mount Vernon and Union.
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1
Start on East Prospect Avenue
17 m · 9 sec · East Prospect Avenue
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2
Turn left onto Gramatan Avenue
110 m · 13 sec · Gramatan Avenue
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3
Turn right onto West 1st Street
2010 ft · 51 sec · West 1st Street
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4
Turn right onto West Lincoln Avenue
68 m · 6 sec · West Lincoln Avenue
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5
Turn left onto Mount Vernon Avenue
2094 ft · 39 sec · Mount Vernon Avenue
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6
Continue on Yonkers Avenue
1.1 mi · 2 min · Yonkers Avenue
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7
Turn right onto Central Park Avenue
1.1 mi · 3 min · Central Park Avenue
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8
Take the ramp straight toward I 87 North, New York State Thruway North: Governor Mario M. Cuomo Bridge, Albany
906 ft · 22 sec
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9
Merge slight left onto New York State Thruway
17.9 mi · 24 min · New York State Thruway
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10
Take the exit slight right toward Palisades Parkway North, Bear Mountain
1.1 km · 1 min
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11
Merge slight left onto Palisades Interstate Parkway
14.9 mi · 17 min · Palisades Interstate Parkway
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12
Take the exit slight left toward I-87: US 6 West, NY 17, New York State Thruway
1972 ft · 49 sec
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13
Enter the roundabout and take exit 2 toward Long Mountain Circle
114 m · 5 sec · Long Mountain Parkway
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14
Exit the rotary onto Long Mountain Parkway
107.5 mi · 2 hr 15 min · Long Mountain Parkway
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15
Continue straight
4.3 mi · 5 min
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16
Take the exit slight right toward NY 8, NY 10: Deposit, Walton
1978 ft · 1 min
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17
Turn right onto State Highway 10
1126 ft · 14 sec · State Highway 10
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18
Continue on Oak Street
1409 ft · 18 sec · Oak Street
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19
Turn straight onto State Highway 8
19 mi · 22 min · State Highway 8
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20
Continue on Airport Road
2256 ft · 29 sec · Airport Road
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21
Continue on State Highway 8
17.8 mi · 20 min · State Highway 8
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22
Turn left onto West Street
8.3 mi · 10 min · West Street
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23
Turn right onto North Broad Street
2925 ft · 1 min · North Broad Street
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24
Continue on State Highway 12
1.2 mi · 2 min · State Highway 12
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25
Turn left onto County Road 44
2.8 mi · 4 min · County Road 44
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26
At the end of the road, turn right
1.2 mi · 2 min
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27
Turn right onto County Road 16
11.8 mi · 17 min · County Road 16
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28
At the end of the road, turn right onto State Highway 26
2.2 mi · 3 min · State Highway 26
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29
Continue on State Route 80
2.7 mi · 4 min · State Route 80
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30
Continue on State Route 80
6.1 mi · 9 min · State Route 80
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31
Continue on State Route 13
1.9 mi · 3 min · State Route 13
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32
Continue on McKinley Street
1.1 mi · 2 min · McKinley Street
-
33
Continue on Main Street
2491 ft · 1 min · Main Street
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34
Turn right onto State Route 13
1300 ft · 20 sec · State Route 13
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35
Continue on Rippleton Road
1.4 mi · 2 min · Rippleton Road
-
36
Turn left onto Delphi Road
1.1 km · 2 min · Delphi Road
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37
Turn left onto Kiley Road
22 m · 3 sec · Kiley Road
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38
Arrive at your destination
0 m · 1 sec · Kiley Road
Car Route Details
A richer read on the saved driving route between Mount Vernon and Union.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
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.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Sunny leaving Mount Vernon and Mostly Sunny near Union.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Mount Vernon to Union?
The road trip is about 229.8 miles (369.8 km) and usually takes 04h 55m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Rockland is a useful midpoint, sitting about 114.4 miles from Mount Vernon and 115.4 miles from Union.
How much longer is the road route than the straight-line distance?
The direct path is about 171.4 miles (275.8 km), while the road route adds roughly 58.4 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 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 7:08 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $36.07 one way or $72.15 round trip. Estimated CO2 is about 72.1 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Mount Vernon and Mostly Sunny near Union.
Stop Ideas Near Rockland
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Rockland.
Rhinecliff–Kingston station
Poughkeepsie station
Scranton, PA
Hudson
Flight Path Map
This map shows the direct air route between Mount Vernon and Union. Straight-line distance: 171.36 mi (275.78 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 Union
Town in Broome County, New York, United States
| Population | 52,262 |
| Coordinates | 42.8678400, -75.8871400 |
| Altitude | 383 |
| Country | United States |
End: Union (-75.88714, 42.86784)
Estimated Travel Time
Distance: 370 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 39m |
| 40 mph (64.37 km/h) | 05h 44m |
| 50 mph (80.47 km/h) | 04h 35m |
| 60 mph (96.56 km/h) | 03h 49m |
| 70 mph (112.65 km/h) | 03h 16m |
| 80 mph (129 km/h) | 02h 52m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.45 | $36.07 | $72.15 |
| Mid-grade | $4.98 | $40.40 | $80.81 |
| Premium | $5.38 | $43.65 | $87.30 |
| Diesel | $6.51 | $52.79 | $105.58 |
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