How far is Union, NJ from Jamesburg, NJ?
The driving distance from Union, NJ to Jamesburg, NJ is about 34 miles (54.7 km), with a travel time of about 00h 48m by car.
- The straight-line flight distance is about 25.6 miles (41.2 km).
- For a round trip, plan for roughly 01h 37m 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 48m.
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 New Jersey, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms Likely
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Union and Jamesburg.
Turn-by-Turn Driving Directions
Step-by-step road directions between Union and Jamesburg.
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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
2.3 mi · 3 min · Garden State Parkway Southbound
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8
Take the exit slight right toward I 95, NJTP, US 9, NJ 440, I 287: New York City, Philadelphia, Woodbridge, Perth Amboy
1754 ft · 43 sec · Exit 129
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9
Keep slight left to continue on I 95, NJTP: New York City, Philadelphia
2379 ft · 58 sec
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10
Keep slight left
926 ft · 24 sec
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11
Keep slight left to continue on I 95 South, NJTP South: Trenton
978 ft · 24 sec
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12
Keep slight left
2312 ft · 56 sec
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13
Merge slight left onto New Jersey Turnpike
16.4 mi · 19 min · New Jersey Turnpike
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14
Take the exit slight right toward NJ 32: Jamesburg, Cranbury
1.3 km · 2 min
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15
Keep slight left to continue on NJ 32 East: Jamesburg, Monroe
2223 ft · 54 sec
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16
Turn straight onto Forsgate Drive
1.6 mi · 3 min · Forsgate Drive
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17
Turn left onto Half Acre Road
1.1 km · 2 min · Half Acre Road
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18
At the end of the road, turn left onto Gatzmer Avenue
81 m · 13 sec · Gatzmer Avenue
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19
Turn sharp right onto East Railroad Avenue
875 ft · 24 sec · East Railroad Avenue
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20
Arrive at your destination
0 m · 1 sec · East Railroad Avenue
Car Route Details
A richer read on the saved driving route between Union and Jamesburg.
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
16.4 mi · 00h 19m
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.
Showers And Thunderstorms Likely leaving Union and Chance Rain Showers near Jamesburg.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Union to Jamesburg?
The road trip is about 34 miles (54.7 km) and usually takes 00h 48m 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?
Metuchen is a useful midpoint, sitting about 17 miles from Union and 17 miles from Jamesburg.
How much longer is the road route than the straight-line distance?
The direct path is about 25.6 miles (41.2 km), while the road route adds roughly 8.4 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 4:52 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.90 one way or $9.81 round trip. Estimated CO2 is about 10.7 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around Union and Chance Rain Showers near Jamesburg.
Stop Ideas Near Metuchen
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 Metuchen.
Metropark station
New Brunswick station
Newark Liberty International Airport
Pennsylvania Station
Flight Path Map
This map shows the direct air route between Union and Jamesburg. Straight-line distance: 25.58 mi (41.17 km).
#1 Union
A city in Union County, New Jersey.
| Population | 67,137 |
| Coordinates | 40.6976000, -74.2632000 |
| Altitude | 30 |
| Country | United States |
#2 Jamesburg
Borough in Middlesex County, New Jersey
| Population | 5,817 |
| Coordinates | 40.3526100, -74.4401500 |
| Altitude | 22 |
| Country | United States |
End: Jamesburg (-74.44015, 40.35261)
Estimated Travel Time
Distance: 55 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 07m |
| 40 mph (64.37 km/h) | 00h 50m |
| 50 mph (80.47 km/h) | 00h 40m |
| 60 mph (96.56 km/h) | 00h 33m |
| 70 mph (112.65 km/h) | 00h 29m |
| 80 mph (129 km/h) | 00h 25m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $4.90 | $9.81 |
| Mid-grade | $4.60 | $5.52 | $11.04 |
| Premium | $4.95 | $5.94 | $11.89 |
| Diesel | $5.98 | $7.18 | $14.35 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.