How far is Jamesburg, NJ from Union, NJ?

The driving distance from Jamesburg, NJ to Union, NJ is about 34.1 miles (54.9 km), with a travel time of about 00h 39m by car.

  • The straight-line flight distance is about 25.6 miles (41.2 km).
  • For a round trip, plan for roughly 01h 18m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Trip Tools

Reverse, save, or send this route

This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
34.09 mi
00h 39m
Flight
25.58 mi
41.17 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Jamesburg.

Flight Distance

Direct air line
25.58 mi
Kilometers
41.17 km
Flight Time
00h 03m

Driving Distance

Road route
34.09 mi
Kilometers
54.87 km
Drive Time
00h 39m

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 39m.

Arrival Snapshot
Arrive in Union
Fri, Apr 17, 5:44 AM EDT
Return by in Jamesburg
Fri, Apr 17, 6:24 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Jamesburg
2026-04-17T05:05
Arrive Union
Fri, Apr 17, 5:44 AM EDT
Route Timing
00h 39m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:39 AM to 7:39 PM EDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:12 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Jamesburg
10:00 PM EDT
Flexible departure

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.

Mid-route stop
Metuchen
NJ

Borough in New Jersey, United States

From Jamesburg
17.3 mi
00h 19m
To Union
16.8 mi
00h 19m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
82°F
Friday

Chance Rain Showers

Starts
Fri, Apr 17 6:00 AM EDT
Wind
5 to 10 mph W
Destination
81°F
Friday

Chance Rain Showers

Starts
Fri, Apr 17 6:00 AM EDT
Wind
3 to 9 mph W

Driving Route Map

The map below follows the saved road route between Jamesburg and Union.

Turn-by-Turn Driving Directions

Step-by-step road directions between Jamesburg and Union.

  1. 1

    Start on East Railroad Avenue

    2264 ft · 1 min · East Railroad Avenue

  2. 2

    Turn right onto Forsgate Drive

    2.4 mi · 4 min · Forsgate Drive

  3. 3

    Take the ramp slight right toward I 95, NJTP: New Jersey Turnpike

    2099 ft · 51 sec

  4. 4

    Keep slight left to continue on I 95, NJTP North: New York City

    2247 ft · 55 sec

  5. 5

    Keep slight right

    2858 ft · 1 min

  6. 6

    Merge slight left onto New Jersey Turnpike

    16.6 mi · 19 min · New Jersey Turnpike

  7. 7

    Take the exit slight right toward US 9, GSP: Garden State Parkway, Woodbridge

    2656 ft · 1 min

  8. 8

    Keep slight right to continue on GSP North: Garden State Parkway

    1.2 km · 2 min

  9. 9

    Merge slight left onto Garden State Parkway

    11.2 mi · 16 min · Garden State Parkway

  10. 10

    Take the exit slight right toward US 22, NJ 82: Hillside

    1526 ft · 39 sec

  11. 11

    Merge slight left

    48 m · 3 sec

  12. 12

    Take the exit slight right toward NJ 82: Morris Avenue, Kean University, Elizabeth

    878 ft · 24 sec

  13. 13

    Turn slight right onto Morris Avenue

    690 ft · 15 sec · Morris Avenue

  14. 14

    Turn slight right

    155 m · 44 sec

  15. 15

    Turn left onto Morris Avenue

    2494 ft · 55 sec · Morris Avenue

  16. 16

    Turn right onto Harding Avenue

    646 ft · 29 sec · Harding Avenue

  17. 17

    Turn right onto Vauxhall Road

    10 m · 5 sec · Vauxhall Road

  18. 18

    Turn left onto Harding Avenue

    74 m · 11 sec · Harding Avenue

  19. 19

    Arrive at your destination

    0 m · 1 sec · Harding Avenue

Car Route Details

A richer read on the saved driving route between Jamesburg and Union.

OSRM road route
Drive Character

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.

Directions
19 steps
9 turns on the saved route
Ramps & Exits
7
3 merges, 4 ramps or exits
Navigation Density
55.7 / 100 mi
Decision points by distance
Main Roads
New Jersey Turnpike
16.6 mi · 49%
Garden State Parkway
11.2 mi · 33%
Forsgate Drive
2.37 mi · 7%
I 95
1.36 mi · 4%
GSP North
0.74 mi · 2%
Morris Avenue
0.6 mi · 2%
Longest Stretch

New Jersey Turnpike

Merge slight left onto New Jersey Turnpike

16.6 mi · 00h 19m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A short regional drive

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

Drive Time
00h 39m
Quick drive
Same-Day Return
01h 18m
Round-trip wheel time
Road vs Air
+8.5 mi
25.6 mi direct line
Halfway Stop
Metuchen
00h 19m from Jamesburg
Leave By
7:12 PM EDT
Flexible departure
Weather Watch

Chance Rain Showers leaving Jamesburg 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 Jamesburg to Union?

The road trip is about 34.1 miles (54.9 km) and usually takes 00h 39m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

What is the halfway point on this route?

Metuchen is a useful midpoint, sitting about 17.3 miles from Jamesburg and 16.8 miles from Union.

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 8.5 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:12 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 Chance Rain Showers around Jamesburg and Chance Rain Showers near Union.

Stop Ideas Near Metuchen

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Metuchen, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Metuchen.

RAIL

Metropark station

4 mi away
100 Middlesex-Essex Turnpike
RAIL

New Brunswick station

9 mi away
French and Albany Streets
RAIL

Newark Liberty International Airport

23 mi away
Newark Liberty International Airport
RAIL

Pennsylvania Station

27 mi away
1 Raymond Plaza West

Flight Path Map

This map shows the direct air route between Jamesburg and Union. Straight-line distance: 25.58 mi (41.17 km).

Jamesburg

#1 Jamesburg

Borough in Middlesex County, New Jersey

Population5,817
Coordinates40.3526100, -74.4401500
Altitude22
CountryUnited States
Union

#2 Union

A city in Union County, New Jersey.

Population67,137
Coordinates40.6976000, -74.2632000
Altitude30
CountryUnited States
Start: East Railroad Avenue (-74.440242, 40.352537)
End: Harding Avenue (-74.26348, 40.697581)

Estimated Travel Time

Distance: 55 km by road

SpeedTime
30 mph (48.3 km/h)01h 08m
40 mph (64.37 km/h)00h 51m
50 mph (80.47 km/h)00h 40m
60 mph (96.56 km/h)00h 34m
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.

One-way fuel
1.2 gal
4.55 L · about $4.90
Round trip
$9.81
2.4 gal · 9.1 L
Estimated CO2
10.7 kg one way
Round trip: 21.3 kg / 47 lb CO2, using regular gasoline.
Fuel$/galOne wayRound 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 17, 2026

There is no time difference between Jamesburg and Union. The current time is 05:05:18.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.