How far is Washington, NJ from Union, NJ?
The driving distance from Washington, NJ to Union, NJ is about 101.7 miles (163.6 km), with a travel time of about 01h 47m by car.
- The straight-line flight distance is about 72 miles (115.8 km).
- For a round trip, plan for roughly 03h 35m 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 47m.
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.
Borough of New Jersey
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Rain Showers then Chance Showers And Thunderstorms
Slight Chance Rain Showers then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Washington and Union.
Turn-by-Turn Driving Directions
Step-by-step road directions between Washington and Union.
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1
Start on Washington Turnpike
1.4 mi · 5 min · Washington Turnpike
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2
Continue on Godfrey Bridge Road
1.5 mi · 6 min · Godfrey Bridge Road
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3
Turn left onto Green Bank Chatsworth Road
5 mi · 7 min · Green Bank Chatsworth Road
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4
Continue on New Gretna Chatsworth Road
3.5 mi · 5 min · New Gretna Chatsworth Road
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5
Continue on Main Street
2041 ft · 35 sec · Main Street
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6
Continue on New Gretna Chatsworth Road
1390 ft · 24 sec · New Gretna Chatsworth Road
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7
Continue on Main Street
3.9 mi · 6 min · Main Street
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8
At the end of the road, turn left onto Barnegat Road
3.5 mi · 5 min · Barnegat Road
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9
Enter the roundabout and take exit 3 toward Four Mile Circle
140 m · 6 sec · Magnolia Road
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10
Exit the rotary onto Magnolia Road
6.8 mi · 12 min · Magnolia Road
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11
Turn left onto Pemberton Bypass
823 ft · 22 sec · Pemberton Bypass
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12
Continue on West Hampton Street
3156 ft · 1 min · West Hampton Street
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13
Continue on South Pemberton Road
2.1 mi · 3 min · South Pemberton Road
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14
Turn right onto Vincentown-Columbus Road
1.9 mi · 2 min · Vincentown-Columbus Road
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15
Continue straight
8.8 mi · 10 min
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16
Take the exit straight toward I 95 Toll, NJTP Toll: New Jersey Turnpike
1.1 km · 2 min
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17
Keep slight left to continue on I 95 North, NJTP North: New York City
1897 ft · 1 min
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18
Keep slight left to continue on I 95 North, NJTP North: New York City
1828 ft · 1 min
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19
Merge slight left onto New Jersey Turnpike
36.9 mi · 43 min · New Jersey Turnpike
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20
Take the exit slight right toward GSP, US 9: Garden State Parkway, Woodbridge
2531 ft · 1 min
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21
Keep slight right to continue on GSP North: Garden State Parkway
1.2 km · 2 min
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22
Merge slight left onto Garden State Parkway
11.2 mi · 16 min · Garden State Parkway
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23
Take the exit slight right toward US 22, NJ 82: Hillside
1526 ft · 39 sec
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24
Merge slight left
48 m · 3 sec
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25
Take the exit slight right toward NJ 82: Morris Avenue, Kean University, Elizabeth
878 ft · 24 sec
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26
Turn slight right onto Morris Avenue
690 ft · 15 sec · Morris Avenue
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27
Turn slight right
155 m · 44 sec
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28
Turn left onto Morris Avenue
2494 ft · 55 sec · Morris Avenue
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29
Turn right onto Harding Avenue
646 ft · 29 sec · Harding Avenue
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30
Turn right onto Vauxhall Road
10 m · 5 sec · Vauxhall Road
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31
Turn left onto Harding Avenue
74 m · 11 sec · Harding Avenue
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32
Arrive at your destination
0 m · 1 sec · Harding Avenue
Car Route Details
A richer read on the saved driving route between Washington and Union.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
New Jersey Turnpike
Merge slight left onto New Jersey Turnpike
36.9 mi · 00h 43m
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.
Slight Chance Rain Showers then Chance Showers And Thunderstorms leaving Washington and Slight Chance Rain Showers then Chance Showers And Thunderstorms near Union.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Washington to Union?
The road trip is about 101.7 miles (163.6 km) and usually takes 01h 47m 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?
Allentown is a useful midpoint, sitting about 45.9 miles from Washington and 55.8 miles from Union.
How much longer is the road route than the straight-line distance?
The direct path is about 72 miles (115.8 km), while the road route adds roughly 29.7 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 2:54 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $14.67 one way or $29.34 round trip. Estimated CO2 is about 31.9 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Rain Showers then Chance Showers And Thunderstorms around Washington and Slight Chance Rain Showers then Chance Showers And Thunderstorms near Union.
Stop Ideas Near Allentown
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Old City Hall
Trenton City Hall
Fieldsboro Town Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Allentown.
Trenton Transit Center
Princeton Junction station
Cornwells Heights
New Brunswick station
Flight Path Map
This map shows the direct air route between Washington and Union. Straight-line distance: 71.95 mi (115.8 km).
#1 Washington
Borough in Warren County, New Jersey, United States
| Population | 6,459 |
| Coordinates | 39.6840100, -74.5759900 |
| Altitude | 18 |
| Country | United States |
#2 Union
A city in Union County, New Jersey.
| Population | 67,137 |
| Coordinates | 40.6976000, -74.2632000 |
| Altitude | 30 |
| Country | United States |
End: Harding Avenue (-74.26348, 40.697581)
Estimated Travel Time
Distance: 164 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 23m |
| 40 mph (64.37 km/h) | 02h 32m |
| 50 mph (80.47 km/h) | 02h 01m |
| 60 mph (96.56 km/h) | 01h 41m |
| 70 mph (112.65 km/h) | 01h 27m |
| 80 mph (129 km/h) | 01h 16m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $14.67 | $29.34 |
| Mid-grade | $4.60 | $16.51 | $33.02 |
| Premium | $4.95 | $17.78 | $35.57 |
| Diesel | $5.98 | $21.47 | $42.94 |
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 · Jun 10, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.