How far is Union, NY from Mount Vernon, NY?
The driving distance from Union, NY to Mount Vernon, NY is about 223.7 miles (360 km), with a travel time of about 04h 09m by car.
- The straight-line flight distance is about 171.4 miles (275.8 km).
- For a round trip, plan for roughly 08h 18m 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 09m.
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.
Mostly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Union and Mount Vernon.
Turn-by-Turn Driving Directions
Step-by-step road directions between Union and Mount Vernon.
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1
Start on Kiley Road
22 m · 4 sec · Kiley Road
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2
Turn right onto Delphi Road
1.1 km · 2 min · Delphi Road
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3
Turn right onto Rippleton Road
1.4 mi · 2 min · Rippleton Road
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4
Continue on State Route 13
1300 ft · 24 sec · State Route 13
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5
Turn left onto Main Street
2491 ft · 1 min · Main Street
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6
Continue on McKinley Street
1.1 mi · 2 min · McKinley Street
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7
Continue on State Route 13
1.9 mi · 3 min · State Route 13
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8
Continue on State Route 80
6.1 mi · 9 min · State Route 80
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9
Continue on State Route 80
2.7 mi · 4 min · State Route 80
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10
Continue on State Highway 26
2.2 mi · 3 min · State Highway 26
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11
Turn left onto County Road 16
11.8 mi · 17 min · County Road 16
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12
Turn left
1.2 mi · 2 min
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13
Turn left onto County Road 44
2.8 mi · 4 min · County Road 44
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14
Turn right onto State Highway 12
1.2 mi · 2 min · State Highway 12
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15
Continue on North Broad Street
2925 ft · 2 min · North Broad Street
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16
Turn left onto Rexford Street
8.3 mi · 10 min · Rexford Street
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17
Turn right onto State Highway 8
17.8 mi · 20 min · State Highway 8
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18
Continue on Airport Road
2268 ft · 29 sec · Airport Road
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19
Continue on State Highway 8
19 mi · 22 min · State Highway 8
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20
Continue on Oak Street
1409 ft · 18 sec · Oak Street
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21
Continue on State Highway 10
2251 ft · 44 sec · State Highway 10
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22
Take the exit left toward NY 17 East
1287 ft · 27 sec
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23
Merge slight left
104.7 mi · 2 hr 11 min
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24
Take the exit slight right toward US 6: Bear Mountain
7.1 mi · 9 min
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25
Enter the roundabout and take exit 2 toward Long Mountain Circle
105 m · 5 sec
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26
Exit the rotary onto Palisades Interstate Parkway South
2854 ft · 1 min
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27
Merge slight right onto Palisades Interstate Parkway
15.1 mi · 17 min · Palisades Interstate Parkway
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28
Take the exit slight right toward I 87 South, I 287 East: New York City, White Plains, New York State Thruway South
2292 ft · 1 min
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29
Merge slight left onto New York State Thruway
9.2 mi · 13 min · New York State Thruway
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30
Keep slight right to continue on New York State Thruway
8.8 mi · 12 min · New York State Thruway
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31
Take the exit slight right toward Cross County Parkway, Mile Square Road
1552 ft · 37 sec
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32
Turn straight onto Central Park Avenue
1986 ft · 57 sec · Central Park Avenue
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33
Take the ramp slight right toward Cross County Parkway East
1167 ft · 29 sec
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34
Merge slight left onto Cross County Parkway (local lanes)
1 mi · 2 min · Cross County Parkway (local lanes)
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35
Take the exit slight right toward West Broad Street, Gramatan Avenue
102 m · 21 sec
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36
Turn slight right onto Fleetwood Avenue
1511 ft · 47 sec · Fleetwood Avenue
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37
Turn right onto Gramatan Avenue
1768 ft · 44 sec · Gramatan Avenue
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38
Enter the roundabout and take exit 2 toward Gramatan Avenue
33 m · 2 sec · Gramatan Avenue
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39
Exit the roundabout onto Gramatan Avenue
1696 ft · 49 sec · Gramatan Avenue
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40
Turn left onto East Prospect Avenue
17 m · 2 sec · East Prospect Avenue
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41
Arrive at your destination
0 m · 1 sec · East Prospect Avenue
Car Route Details
A richer read on the saved driving route between Union and Mount Vernon.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
NY 17 East
Merge slight left
105 mi · 02h 11m
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.
Mostly Sunny leaving Union and Sunny near Mount Vernon.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Union to Mount Vernon?
The road trip is about 223.7 miles (360 km) and usually takes 04h 09m 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 114.3 miles from Union and 109.4 miles from Mount Vernon.
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 52.3 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 8:42 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $35.09 one way or $70.19 round trip. Estimated CO2 is about 70.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Union and Sunny near Mount Vernon.
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 Union and Mount Vernon. Straight-line distance: 171.36 mi (275.78 km).
#1 Union
Town in Broome County, New York, United States
| Population | 52,262 |
| Coordinates | 42.8678400, -75.8871400 |
| Altitude | 383 |
| Country | United States |
#2 Mount Vernon
The most populous city in Westchester County, New York.
| Population | 68,628 |
| Coordinates | 40.9126000, -73.8370800 |
| Altitude | 33 |
| Country | United States |
End: East Prospect Avenue (-73.83708, 40.912722)
Estimated Travel Time
Distance: 360 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 27m |
| 40 mph (64.37 km/h) | 05h 35m |
| 50 mph (80.47 km/h) | 04h 28m |
| 60 mph (96.56 km/h) | 03h 43m |
| 70 mph (112.65 km/h) | 03h 11m |
| 80 mph (129 km/h) | 02h 47m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.45 | $35.09 | $70.19 |
| Mid-grade | $4.98 | $39.31 | $78.62 |
| Premium | $5.38 | $42.46 | $84.93 |
| Diesel | $6.51 | $51.36 | $102.71 |
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