How far is Union, NJ from Washington, NJ?
The driving distance from Union, NJ to Washington, NJ is about 46.7 miles (75.1 km), with a travel time of about 01h 02m by car.
- The straight-line flight distance is about 37.7 miles (60.7 km).
- For a round trip, plan for roughly 02h 05m 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 01h 02m.
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 of New Jersey
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Union and Washington.
Turn-by-Turn Driving Directions
Step-by-step road directions between Union and Washington.
-
1
Start on Harding Avenue
74 m · 12 sec · Harding Avenue
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2
Turn right onto Vauxhall Road
2 mi · 5 min · Vauxhall Road
-
3
Turn left onto Springfield Avenue
3245 ft · 1 min · Springfield Avenue
-
4
Continue on Springfield Avenue
149 m · 10 sec · Springfield Avenue
-
5
Take the ramp slight right toward I 78 West: Clinton
1630 ft · 41 sec
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6
Merge slight left onto Phillipsburg-Newark Expressway
32.3 mi · 37 min · Phillipsburg-Newark Expressway
-
7
Take the exit slight right toward NJ 31: Clinton, Flemington, Washington
1963 ft · 43 sec
-
8
Merge slight left
10.7 mi · 17 min
-
9
Turn left onto East Washington Avenue
1245 ft · 21 sec · East Washington Avenue
-
10
Arrive at your destination
0 m · 1 sec · East Washington Avenue
Car Route Details
A richer read on the saved driving route between Union and Washington.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Phillipsburg-Newark Expressway
Merge slight left onto Phillipsburg-Newark Expressway
32.3 mi · 00h 37m
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 Sunny leaving Union and Sunny near Washington.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Union to Washington?
The road trip is about 46.7 miles (75.1 km) and usually takes 01h 02m 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?
Bedminster is a useful midpoint, sitting about 23.3 miles from Union and 23.4 miles from Washington.
How much longer is the road route than the straight-line distance?
The direct path is about 37.7 miles (60.7 km), while the road route adds roughly 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 4:24 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.74 one way or $13.48 round trip. Estimated CO2 is about 14.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Union and Sunny near Washington.
Stop Ideas Near Bedminster
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 Bedminster.
New Brunswick station
Metropark station
Newark Liberty International Airport
Princeton Junction station
Flight Path Map
This map shows the direct air route between Union and Washington. Straight-line distance: 37.73 mi (60.72 km).
#1 Union
A city in Union County, New Jersey.
| Population | 67,137 |
| Coordinates | 40.6976000, -74.2632000 |
| Altitude | 30 |
| Country | United States |
#2 Washington
Borough in Warren County, New Jersey, United States
| Population | 6,498 |
| Coordinates | 40.7584300, -74.9793400 |
| Altitude | 139 |
| Country | United States |
End: Washington (-74.97934, 40.75843)
Estimated Travel Time
Distance: 75 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 33m |
| 40 mph (64.37 km/h) | 01h 10m |
| 50 mph (80.47 km/h) | 00h 56m |
| 60 mph (96.56 km/h) | 00h 46m |
| 70 mph (112.65 km/h) | 00h 40m |
| 80 mph (129 km/h) | 00h 34m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $6.74 | $13.48 |
| Mid-grade | $4.60 | $7.59 | $15.18 |
| Premium | $4.95 | $8.17 | $16.35 |
| Diesel | $5.98 | $9.87 | $19.73 |
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 · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.