How far is Somerset, NJ from Union, NJ?

The driving distance from Somerset, NJ to Union, NJ is about 24.8 miles (39.9 km), with a travel time of about 00h 35m by car.

  • The straight-line flight distance is about 18.2 miles (29.3 km).
  • For a round trip, plan for roughly 01h 11m 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
24.77 mi
00h 35m
Flight
18.18 mi
29.26 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Somerset.

Flight Distance

Direct air line
18.18 mi
Kilometers
29.26 km
Flight Time
00h 02m

Driving Distance

Road route
24.77 mi
Kilometers
39.87 km
Drive Time
00h 35m

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 35m.

Arrival Snapshot
Arrive in Union
Tue, May 12, 8:05 PM EDT
Return by in Somerset
Tue, May 12, 8:40 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Somerset
2026-05-12T19:29
Arrive Union
Tue, May 12, 8:05 PM EDT
Route Timing
00h 35m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:36 AM to 7:36 PM EDT

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

Leave by
7:18 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Somerset
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
Menlo Park
NJ

Township in Middlesex County, New Jersey, United States

From Somerset
12.5 mi
00h 17m
To Union
12.3 mi
00h 17m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
67°F
Tuesday

Sunny

Starts
Tue, May 12 6:00 AM EDT
Wind
5 mph NW
Destination
Union Weather
NJ
Live fallback forecast
68°F
Tuesday
Using Hillside as the closest live forecast in the Union County weather hub.

Sunny

Starts
Tue, May 12 6:00 AM EDT
Wind
5 mph NW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on West Point Avenue

    717 ft · 33 sec · West Point Avenue

  2. 2

    Turn right onto Abbott Road

    966 ft · 44 sec · Abbott Road

  3. 3

    Turn right onto Belmar Street

    2231 ft · 2 min · Belmar Street

  4. 4

    At the end of the road, turn left onto Franklin Boulevard

    1.3 km · 2 min · Franklin Boulevard

  5. 5

    Continue on Landing Lane

    1469 ft · 25 sec · Landing Lane

  6. 6

    Turn right onto George Street

    2485 ft · 42 sec · George Street

  7. 7

    Take the ramp straight toward NJ 18 South

    1657 ft · 41 sec

  8. 8

    Merge slight left

    2.5 mi · 4 min

  9. 9

    Take the exit slight right toward US 1 North: Newark

    1183 ft · 59 sec

  10. 10

    Merge slight left

    50 m · 3 sec

  11. 11

    Continue straight

    1.6 km · 1 min

  12. 12

    Continue straight

    969 ft · 17 sec

  13. 13

    Continue straight

    1162 ft · 20 sec

  14. 14

    Continue straight

    5.9 mi · 9 min

  15. 15

    Take the exit slight right toward GSP Toll North: Garden State Parkway

    2305 ft · 1 min

  16. 16

    Merge slight left onto Garden State Parkway

    10.5 mi · 14 min · Garden State Parkway

  17. 17

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

    1526 ft · 39 sec

  18. 18

    Merge slight left

    48 m · 3 sec

  19. 19

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

    878 ft · 24 sec

  20. 20

    Turn slight right onto Morris Avenue

    690 ft · 15 sec · Morris Avenue

  21. 21

    Turn slight right

    155 m · 44 sec

  22. 22

    Turn left onto Morris Avenue

    2494 ft · 55 sec · Morris Avenue

  23. 23

    Turn right onto Harding Avenue

    646 ft · 29 sec · Harding Avenue

  24. 24

    Turn right onto Vauxhall Road

    10 m · 5 sec · Vauxhall Road

  25. 25

    Turn left onto Harding Avenue

    74 m · 11 sec · Harding Avenue

  26. 26

    Arrive at your destination

    0 m · 1 sec · Harding Avenue

Car Route Details

A richer read on the saved driving route between Somerset 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
26 steps
10 turns on the saved route
Ramps & Exits
9
4 merges, 5 ramps or exits
Navigation Density
104.8 / 100 mi
Decision points by distance
Main Roads
Garden State Parkway
10.5 mi · 43%
US 1 North
7.58 mi · 31%
NJ 18 South
2.77 mi · 11%
Franklin Boulevard
0.81 mi · 3%
Morris Avenue
0.6 mi · 2%
George Street
0.47 mi · 2%
Longest Stretch

Garden State Parkway

Merge slight left onto Garden State Parkway

10.5 mi · 00h 14m

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 35m
Quick drive
Same-Day Return
01h 12m
Round-trip wheel time
Road vs Air
+6.6 mi
18.2 mi direct line
Halfway Stop
Menlo Park
00h 17m from Somerset
Leave By
7:18 PM EDT
Flexible departure
Weather Watch

Sunny leaving Somerset and Sunny near Union.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Somerset to Union?

The road trip is about 24.8 miles (39.9 km) and usually takes 00h 35m 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?

Menlo Park is a useful midpoint, sitting about 12.5 miles from Somerset and 12.3 miles from Union.

How much longer is the road route than the straight-line distance?

The direct path is about 18.2 miles (29.3 km), while the road route adds roughly 6.6 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 7:18 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $3.55 one way or $7.11 round trip. Estimated CO2 is about 7.7 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Somerset and Sunny near Union.

Stop Ideas Near Menlo Park

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

Mid-route Guidance
Local place coverage is thin around Menlo Park, 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 Menlo Park.

RAIL

Metropark station

1 mi away
100 Middlesex-Essex Turnpike
RAIL

New Brunswick station

12 mi away
French and Albany Streets
RAIL

Newark Liberty International Airport

20 mi away
Newark Liberty International Airport
RAIL

Pennsylvania Station

24 mi away
1 Raymond Plaza West

Flight Path Map

This map shows the direct air route between Somerset and Union. Straight-line distance: 18.18 mi (29.26 km).

Somerset

#1 Somerset

This large community in Somerset County, New Jersey, is situated at an elevation of 92 feet.

Population965,424
Coordinates40.4976000, -74.4884900
Altitude28
CountryUnited States
Union

#2 Union

A city in Union County, New Jersey.

Population67,137
Coordinates40.6976000, -74.2632000
Altitude30
CountryUnited States
Start: West Point Avenue (-74.488027, 40.497322)
End: Harding Avenue (-74.26348, 40.697581)

Estimated Travel Time

Distance: 40 km by road

SpeedTime
30 mph (48.3 km/h)00h 49m
40 mph (64.37 km/h)00h 37m
50 mph (80.47 km/h)00h 29m
60 mph (96.56 km/h)00h 24m
70 mph (112.65 km/h)00h 21m
80 mph (129 km/h)00h 18m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.87 gal
3.31 L · about $3.55
Round trip
$7.11
1.74 gal · 6.62 L
Estimated CO2
7.7 kg one way
Round trip: 15.5 kg / 34 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $3.55 $7.11
Mid-grade $4.60 $4.00 $8.00
Premium $4.95 $4.31 $8.62
Diesel $5.98 $5.20 $10.41

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 · May 12, 2026

There is no time difference between Somerset and Union. The current time is 19:29:44.

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.