How far is Clayton, NJ from Union, NJ?
The driving distance from Clayton, NJ to Union, NJ is about 97.7 miles (157.3 km), with a travel time of about 01h 44m by car.
- The straight-line flight distance is about 84 miles (135.2 km).
- For a round trip, plan for roughly 03h 28m 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 44m.
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.
Chance Rain Showers
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Clayton and Union.
Turn-by-Turn Driving Directions
Step-by-step road directions between Clayton and Union.
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1
Start on East Academy Street
18 m · 4 sec · East Academy Street
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2
Turn right onto North Delsea Drive
1.3 mi · 2 min · North Delsea Drive
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3
Continue on North Delsea South
1.4 km · 1 min · North Delsea South
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4
Continue on Delsea Drive
6.6 mi · 11 min · Delsea Drive
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5
Continue on Hurffville Road
3.8 mi · 6 min · Hurffville Road
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6
Continue on Clements Bridge Road
1760 ft · 45 sec · Clements Bridge Road
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7
Keep slight left to continue on West Clements Bridge Road
1.3 km · 2 min · West Clements Bridge Road
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8
Turn left onto Black Horse Pike
1.3 km · 2 min · Black Horse Pike
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9
Take the ramp straight toward NJTP Toll: New Jersey Turnpike
1378 ft · 33 sec
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10
Keep slight left to continue on NJTP North: New York
2915 ft · 1 min
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11
Merge slight left onto New Jersey Turnpike
23.1 mi · 27 min · New Jersey Turnpike
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12
Keep slight left to continue on New Jersey Turnpike
41.4 mi · 48 min · New Jersey Turnpike
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13
Take the exit slight right toward GSP, US 9: Garden State Parkway, Woodbridge
2531 ft · 1 min
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14
Keep slight right to continue on GSP North: Garden State Parkway
1.2 km · 2 min
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15
Merge slight left onto Garden State Parkway
11.2 mi · 16 min · Garden State Parkway
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16
Take the exit slight right toward US 22, NJ 82: Hillside
1526 ft · 39 sec
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17
Merge slight left
48 m · 3 sec
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18
Take the exit slight right toward NJ 82: Morris Avenue, Kean University, Elizabeth
878 ft · 24 sec
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19
Turn slight right onto Morris Avenue
690 ft · 15 sec · Morris Avenue
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20
Turn slight right
155 m · 44 sec
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21
Turn left onto Morris Avenue
2494 ft · 55 sec · Morris Avenue
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22
Turn right onto Harding Avenue
646 ft · 29 sec · Harding Avenue
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23
Turn right onto Vauxhall Road
10 m · 5 sec · Vauxhall Road
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24
Turn left onto Harding Avenue
74 m · 11 sec · Harding Avenue
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25
Arrive at your destination
0 m · 1 sec · Harding Avenue
Car Route Details
A richer read on the saved driving route between Clayton 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
Keep slight left to continue on New Jersey Turnpike
41.4 mi · 00h 48m
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.
Chance Rain Showers leaving Clayton 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 Clayton to Union?
The road trip is about 97.7 miles (157.3 km) and usually takes 01h 44m 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 46.9 miles from Clayton and 50.9 miles from Union.
How much longer is the road route than the straight-line distance?
The direct path is about 84 miles (135.2 km), while the road route adds roughly 13.7 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 3:02 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $14.10 one way or $28.19 round trip. Estimated CO2 is about 30.7 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Clayton and Chance Rain Showers 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 Clayton and Union. Straight-line distance: 83.98 mi (135.16 km).
#1 Clayton
Borough in Gloucester County, New Jersey
| Population | 8,759 |
| Coordinates | 39.6601100, -75.0921200 |
| 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: 157 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 15m |
| 40 mph (64.37 km/h) | 02h 26m |
| 50 mph (80.47 km/h) | 01h 57m |
| 60 mph (96.56 km/h) | 01h 37m |
| 70 mph (112.65 km/h) | 01h 23m |
| 80 mph (129 km/h) | 01h 13m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $14.10 | $28.19 |
| Mid-grade | $4.60 | $15.87 | $31.73 |
| Premium | $4.95 | $17.09 | $34.18 |
| Diesel | $5.98 | $20.63 | $41.26 |
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.