How far is Union, NJ from New Brunswick, NJ?

The driving distance from Union, NJ to New Brunswick, NJ is about 21.7 miles (34.9 km), with a travel time of about 00h 33m by car.

  • The straight-line flight distance is about 17.6 miles (28.4 km).
  • For a round trip, plan for roughly 01h 07m 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
21.69 mi
00h 33m
Flight
17.64 mi
28.39 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Union.

Flight Distance

Direct air line
17.64 mi
Kilometers
28.39 km
Flight Time
00h 02m

Driving Distance

Road route
21.69 mi
Kilometers
34.9 km
Drive Time
00h 33m

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 33m.

Arrival Snapshot
Arrive in New Brunswick
Wed, Apr 22, 8:12 PM EDT
Return by in Union
Wed, Apr 22, 8:46 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Union
2026-04-22T19:39
Arrive New Brunswick
Wed, Apr 22, 8:12 PM EDT
Route Timing
00h 33m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:34 AM to 7:34 PM EDT

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

Leave by
7:22 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Union
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
Iselin
NJ

Unincorporated community in New Jersey, United States

From Union
10.4 mi
00h 16m
To New Brunswick
11.2 mi
00h 16m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
Union Weather
NJ
Live fallback forecast
65°F
Wednesday
Using Hillside as the closest live forecast in the Union County weather hub.

Chance Rain Showers

Starts
Wed, Apr 22 6:00 AM EDT
Wind
5 mph SE
Destination
61°F
Wednesday

Chance Rain Showers

Starts
Wed, Apr 22 6:00 AM EDT
Wind
0 to 10 mph S

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Union and New Brunswick.

  1. 1

    Start on Harding Avenue

    74 m · 12 sec · Harding Avenue

  2. 2

    Turn right onto Vauxhall Road

    1087 ft · 42 sec · Vauxhall Road

  3. 3

    Turn left onto Stuyvesant Avenue

    3120 ft · 2 min · Stuyvesant Avenue

  4. 4

    Continue on Chestnut Street

    708 ft · 28 sec · Chestnut Street

  5. 5

    Take the ramp slight right toward GSP Toll South

    1588 ft · 39 sec

  6. 6

    Merge slight left onto Garden State Parkway

    8.6 mi · 12 min · Garden State Parkway

  7. 7

    Continue on Garden State Parkway Southbound

    1.3 mi · 2 min · Garden State Parkway Southbound

  8. 8

    Take the exit slight right toward US 1: Newark, Trenton

    1110 ft · 27 sec

  9. 9

    Keep slight right to continue on US 1 South: Trenton

    1453 ft · 35 sec

  10. 10

    Merge slight left

    636 ft · 13 sec

  11. 11

    Continue straight

    2.1 mi · 3 min

  12. 12

    Continue straight

    4.7 mi · 7 min

  13. 13

    Take the exit straight toward NJ 18: New Brunswick, East Brunswick

    643 ft · 18 sec

  14. 14

    Keep slight right to continue on NJ 18 North: New Brunswick, Piscataway

    755 ft · 21 sec

  15. 15

    Merge slight left onto State Route 18

    1866 ft · 37 sec · State Route 18

  16. 16

    Take the exit slight right toward NJ 172: New Brunswick, Cook/Douglass Campus, Paul Robeson Boulevard, New Street, Highland Park

    878 ft · 17 sec

  17. 17

    Turn straight onto Route 18 Service Road

    2097 ft · 47 sec · Route 18 Service Road

  18. 18

    Turn left onto Paul Robeson Boulevard

    2025 ft · 1 min · Paul Robeson Boulevard

  19. 19

    Turn right onto Suydam Street

    2289 ft · 1 min · Suydam Street

  20. 20

    Turn left onto Livingston Avenue

    1589 ft · 37 sec · Livingston Avenue

  21. 21

    Turn right onto Delavan Street

    21 m · 3 sec · Delavan Street

  22. 22

    Arrive at your destination

    0 m · 1 sec · Delavan Street

Car Route Details

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

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
22 steps
7 turns on the saved route
Ramps & Exits
7
3 merges, 4 ramps or exits
Navigation Density
101.4 / 100 mi
Decision points by distance
Main Roads
Garden State Parkway
8.63 mi · 40%
US 1 South
7.22 mi · 33%
Garden State Parkway Southbound
1.27 mi · 6%
Stuyvesant Avenue
0.59 mi · 3%
Suydam Street
0.43 mi · 2%
Route 18 Service Road
0.4 mi · 2%
Longest Stretch

Garden State Parkway

Merge slight left onto Garden State Parkway

8.63 mi · 00h 12m

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 33m
Quick drive
Same-Day Return
01h 08m
Round-trip wheel time
Road vs Air
+4.1 mi
17.6 mi direct line
Halfway Stop
Iselin
00h 16m from Union
Leave By
7:22 PM EDT
Flexible departure
Weather Watch

Chance Rain Showers leaving Union and Chance Rain Showers near New Brunswick.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Union to New Brunswick?

The road trip is about 21.7 miles (34.9 km) and usually takes 00h 33m 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?

Iselin is a useful midpoint, sitting about 10.4 miles from Union and 11.2 miles from New Brunswick.

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

The direct path is about 17.6 miles (28.4 km), while the road route adds roughly 4.1 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 7:22 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $3.15 one way or $6.29 round trip. Estimated CO2 is about 6.8 kg one way.

What should you check before leaving?

Before you leave, expect Chance Rain Showers around Union and Chance Rain Showers near New Brunswick.

Stop Ideas Near Iselin

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

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

RAIL

Metropark station

1 mi away
100 Middlesex-Essex Turnpike
RAIL

New Brunswick station

14 mi away
French and Albany Streets
RAIL

Newark Liberty International Airport

18 mi away
Newark Liberty International Airport
RAIL

Pennsylvania Station

22 mi away
1 Raymond Plaza West

Flight Path Map

This map shows the direct air route between Union and New Brunswick. Straight-line distance: 17.64 mi (28.39 km).

Union

#1 Union

A city in Union County, New Jersey.

Population67,137
Coordinates40.6976000, -74.2632000
Altitude30
CountryUnited States
New Brunswick

#2 New Brunswick

The most populous city in Middlesex County, New Jersey.

Population56,182
Coordinates40.4862200, -74.4518200
Altitude26
CountryUnited States
Start: Harding Avenue (-74.26348, 40.697581)
End: Delavan Street (-74.451875, 40.486167)

Estimated Travel Time

Distance: 35 km by road

SpeedTime
30 mph (48.3 km/h)00h 43m
40 mph (64.37 km/h)00h 32m
50 mph (80.47 km/h)00h 26m
60 mph (96.56 km/h)00h 21m
70 mph (112.65 km/h)00h 18m
80 mph (129 km/h)00h 16m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.77 gal
2.9 L · about $3.15
Round trip
$6.29
1.54 gal · 5.8 L
Estimated CO2
6.8 kg one way
Round trip: 13.7 kg / 30 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $3.15 $6.29
Mid-grade $4.60 $3.54 $7.08
Premium $4.95 $3.81 $7.63
Diesel $5.98 $4.60 $9.21

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 22, 2026

There is no time difference between Union and New Brunswick. The current time is 19:39:09.

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.