How far is Robbinsville, NJ from Union, NJ?
The driving distance from Robbinsville, NJ to Union, NJ is about 47.7 miles (76.7 km), with a travel time of about 00h 51m by car.
- The straight-line flight distance is about 38.3 miles (61.6 km).
- For a round trip, plan for roughly 01h 43m 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 51m.
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 in Middlesex County, New Jersey
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers Likely
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Robbinsville and Union.
Turn-by-Turn Driving Directions
Step-by-step road directions between Robbinsville and Union.
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1
Start on the route
73 m · 20 sec
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2
At the end of the road, turn right
99 m · 25 sec
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3
At the end of the road, turn right onto Robbinsville-Allentown Road
549 ft · 17 sec · Robbinsville-Allentown Road
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4
Turn right
4.6 mi · 7 min
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5
Continue on Mercer Street
1.6 mi · 3 min · Mercer Street
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6
Turn right onto West Ward Street
157 m · 16 sec · West Ward Street
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7
Turn left onto South Main Street
1243 ft · 35 sec · South Main Street
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8
Turn slight right
29 m · 4 sec
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9
Turn right onto Franklin Street
1.2 km · 2 min · Franklin Street
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10
Turn left onto New Jersey Turnpike
22.9 mi · 26 min · New Jersey Turnpike
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11
Take the exit slight right toward US 9, GSP: Garden State Parkway, Woodbridge
2656 ft · 1 min
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12
Keep slight right to continue on GSP North: Garden State Parkway
1.2 km · 2 min
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13
Merge slight left onto Garden State Parkway
11.2 mi · 16 min · Garden State Parkway
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14
Take the exit slight right toward US 22, NJ 82: Hillside
1526 ft · 39 sec
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15
Merge slight left
48 m · 3 sec
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16
Take the exit slight right toward NJ 82: Morris Avenue, Kean University, Elizabeth
878 ft · 24 sec
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17
Turn slight right onto Morris Avenue
690 ft · 15 sec · Morris Avenue
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18
Turn slight right
155 m · 44 sec
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19
Turn left onto Morris Avenue
2494 ft · 55 sec · Morris Avenue
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20
Turn right onto Harding Avenue
646 ft · 29 sec · Harding Avenue
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21
Turn right onto Vauxhall Road
10 m · 5 sec · Vauxhall Road
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22
Turn left onto Harding Avenue
74 m · 11 sec · Harding Avenue
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23
Arrive at your destination
0 m · 1 sec · Harding Avenue
Car Route Details
A richer read on the saved driving route between Robbinsville 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.
New Jersey Turnpike
Turn left onto New Jersey Turnpike
22.9 mi · 00h 26m
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.
Rain Showers Likely leaving Robbinsville and Chance Rain Showers near Union.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Robbinsville to Union?
The road trip is about 47.7 miles (76.7 km) and usually takes 00h 51m 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?
Milltown is a useful midpoint, sitting about 22.2 miles from Robbinsville and 25.5 miles from Union.
How much longer is the road route than the straight-line distance?
The direct path is about 38.3 miles (61.6 km), while the road route adds roughly 9.4 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 4:46 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.86 one way or $13.73 round trip. Estimated CO2 is about 14.9 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely around Robbinsville and Chance Rain Showers near Union.
Stop Ideas Near Milltown
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 Milltown.
New Brunswick station
Metropark station
Princeton Junction station
Newark Liberty International Airport
Flight Path Map
This map shows the direct air route between Robbinsville and Union. Straight-line distance: 38.27 mi (61.59 km).
#1 Robbinsville
Township in Mercer County, New Jersey
| Population | 14,495 |
| Coordinates | 40.2145500, -74.6193200 |
| Altitude | 39 |
| 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: 77 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 35m |
| 40 mph (64.37 km/h) | 01h 11m |
| 50 mph (80.47 km/h) | 00h 57m |
| 60 mph (96.56 km/h) | 00h 47m |
| 70 mph (112.65 km/h) | 00h 40m |
| 80 mph (129 km/h) | 00h 35m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $6.86 | $13.73 |
| Mid-grade | $4.60 | $7.73 | $15.45 |
| Premium | $4.95 | $8.32 | $16.65 |
| Diesel | $5.98 | $10.05 | $20.09 |
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.