How far is Union, NJ from West Windsor, NJ?
The driving distance from Union, NJ to West Windsor, NJ is about 37.5 miles (60.4 km), with a travel time of about 00h 58m by car.
- The straight-line flight distance is about 33.1 miles (53.3 km).
- For a round trip, plan for roughly 01h 56m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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.
This route works well as a day trip with time at the destination.
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 00h 58m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Township in New Jersey, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Patchy Fog then Partly Sunny
Driving Route Map
The map below follows the saved road route between Union and West Windsor.
Turn-by-Turn Driving Directions
Step-by-step road directions between Union and West Windsor.
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1
Start on Harding Avenue
74 m · 12 sec · Harding Avenue
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2
Turn right onto Vauxhall Road
1087 ft · 42 sec · Vauxhall Road
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3
Turn left onto Stuyvesant Avenue
3120 ft · 2 min · Stuyvesant Avenue
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4
Continue on Chestnut Street
708 ft · 28 sec · Chestnut Street
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5
Take the ramp slight right toward GSP Toll South
1588 ft · 39 sec
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6
Merge slight left onto Garden State Parkway
8.6 mi · 12 min · Garden State Parkway
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7
Continue on Garden State Parkway Southbound
1.3 mi · 2 min · Garden State Parkway Southbound
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8
Take the exit slight right toward US 1: Newark, Trenton
1110 ft · 27 sec
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9
Keep slight right to continue on US 1 South: Trenton
1453 ft · 35 sec
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10
Merge slight left
636 ft · 13 sec
-
11
Continue straight
2.1 mi · 3 min
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12
Continue straight
7.4 mi · 11 min
-
13
Continue straight
634 ft · 10 sec
-
14
Keep slight left
84 m · 4 sec
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15
Keep slight left
118 m · 6 sec
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16
Keep slight left
3.6 mi · 5 min
-
17
Continue straight
9.5 mi · 14 min
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18
Enter the roundabout and take exit 4 toward Washington Road
104 m · 8 sec · Washington Road
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19
Exit the rotary onto Washington Road
1.1 mi · 2 min · Washington Road
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20
Continue on Washington Road
25 m · 2 sec · Washington Road
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21
Turn right onto Princeton-Hightstown Road
1.5 km · 2 min · Princeton-Hightstown Road
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22
Turn right onto Clarksville Road
1081 ft · 34 sec · Clarksville Road
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23
Turn left onto Penn Lyle Road
1609 ft · 49 sec · Penn Lyle Road
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24
Turn left onto Canoe Brook Drive
124 m · 20 sec · Canoe Brook Drive
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25
Turn right onto Princeton Place
115 m · 22 sec · Princeton Place
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26
Turn left onto Ziff Lane
145 m · 21 sec · Ziff Lane
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27
Arrive at your destination
0 m · 1 sec · Ziff Lane
Car Route Details
A richer read on the saved driving route between Union and West Windsor.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
US 1 South
Continue straight
9.51 mi · 00h 14m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Mostly Cloudy leaving Union and Patchy Fog then Partly Sunny near West Windsor.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Union to West Windsor?
The road trip is about 37.5 miles (60.4 km) and usually takes 00h 58m 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?
Piscataway is a useful midpoint, sitting about 18.8 miles from Union and 18.8 miles from West Windsor.
How much longer is the road route than the straight-line distance?
The direct path is about 33.1 miles (53.3 km), while the road route adds roughly 4.4 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 4:34 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.39 one way or $10.79 round trip. Estimated CO2 is about 11.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Union and Patchy Fog then Partly Sunny near West Windsor.
Stop Ideas Near Piscataway
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 Piscataway.
New Brunswick station
Metropark station
Princeton Junction station
Newark Liberty International Airport
Flight Path Map
This map shows the direct air route between Union and West Windsor. Straight-line distance: 33.11 mi (53.29 km).
#1 Union
A city in Union County, New Jersey.
| Population | 67,137 |
| Coordinates | 40.6976000, -74.2632000 |
| Altitude | 30 |
| Country | United States |
#2 West Windsor
Township in Mercer County, New Jersey, United States
| Population | 28,517 |
| Coordinates | 40.3020500, -74.6190500 |
| Altitude | 31 |
| Country | United States |
End: West Windsor (-74.61905, 40.30205)
Estimated Travel Time
Distance: 60 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 14m |
| 40 mph (64.37 km/h) | 00h 56m |
| 50 mph (80.47 km/h) | 00h 45m |
| 60 mph (96.56 km/h) | 00h 37m |
| 70 mph (112.65 km/h) | 00h 32m |
| 80 mph (129 km/h) | 00h 28m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $5.39 | $10.79 |
| Mid-grade | $4.60 | $6.07 | $12.14 |
| Premium | $4.95 | $6.54 | $13.08 |
| Diesel | $5.98 | $7.89 | $15.79 |
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 Jersey · May 26, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.