How far is Union, NJ from Colonia, NJ?

The driving distance from Union, NJ to Colonia, NJ is about 11.9 miles (19.2 km), with a travel time of about 00h 21m by car.

  • The straight-line flight distance is about 8.8 miles (14.1 km).
  • For a round trip, plan for roughly 00h 43m 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
11.94 mi
00h 21m
Flight
8.74 mi
14.07 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Union.

Flight Distance

Direct air line
8.74 mi
Kilometers
14.07 km
Flight Time
00h 01m

Driving Distance

Road route
11.94 mi
Kilometers
19.22 km
Drive Time
00h 21m

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 21m.

Arrival Snapshot
Arrive in Colonia
Thu, Oct 15, 12:52 PM EDT
Return by in Union
Thu, Oct 15, 1:13 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Union
2026-10-15T12:30
Arrive Colonia
Thu, Oct 15, 12:52 PM EDT
Route Timing
00h 21m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:22 AM to 7:22 PM EDT

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

Leave by
7:46 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Union
10:00 PM EDT
Flexible departure

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Clark
NJ

Township in southern Union County, New Jersey, United States

From Union
6 mi
00h 10m
To Colonia
6 mi
00h 10m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
Union Weather
NJ
Live fallback forecast
66°F
Thursday
Using Hillside as the closest live forecast in the Union County weather hub.

Mostly Sunny

Starts
Thu, Oct 15 6:00 AM EDT
Wind
5 mph NE
Destination
67°F
Thursday

Mostly Sunny

Starts
Thu, Oct 15 6:00 AM EDT
Wind
5 mph NE

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  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

    8.7 mi · 12 min · Garden State Parkway

  7. 7

    Take the exit right toward NJ 27: Iselin, Metuchen

    1278 ft · 52 sec

  8. 8

    At the end of the road, turn left onto Lincoln Highway

    2425 ft · 50 sec · Lincoln Highway

  9. 9

    Turn right onto Green Street

    1999 ft · 1 min · Green Street

  10. 10

    Turn left onto Chain O' Hills Road

    3176 ft · 2 min · Chain O' Hills Road

  11. 11

    Turn right onto South Cliff Road

    1564 ft · 1 min · South Cliff Road

  12. 12

    Arrive at your destination

    0 m · 1 sec · South Cliff Road

Car Route Details

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

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
12 steps
6 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
100.8 / 100 mi
Decision points by distance
Main Roads
Garden State Parkway
8.69 mi · 73%
Chain O' Hills Road
0.6 mi · 5%
Stuyvesant Avenue
0.59 mi · 5%
Lincoln Highway
0.46 mi · 4%
Green Street
0.38 mi · 3%
GSP Toll South
0.3 mi · 3%
Longest Stretch

Garden State Parkway

Merge slight left onto Garden State Parkway

8.69 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 21m
Quick drive
Same-Day Return
00h 44m
Round-trip wheel time
Road vs Air
+3.1 mi
8.8 mi direct line
Halfway Stop
Clark
00h 10m from Union
Leave By
7:46 PM EDT
Flexible departure
Weather Watch

Mostly Sunny leaving Union and Mostly Sunny near Colonia.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 11.9 miles (19.2 km) and usually takes 00h 21m 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?

Clark is a useful midpoint, sitting about 6 miles from Union and 6 miles from Colonia.

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

The direct path is about 8.8 miles (14.1 km), while the road route adds roughly 3.1 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 7:46 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $1.80 one way or $3.61 round trip. Estimated CO2 is about 3.7 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Union and Mostly Sunny near Colonia.

Stop Ideas Near Clark

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

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

RAIL

Metropark station

8 mi away
100 Middlesex-Essex Turnpike
RAIL

Newark Liberty International Airport

12 mi away
Newark Liberty International Airport
RAIL

Pennsylvania Station

16 mi away
1 Raymond Plaza West
RAIL

New Brunswick station

20 mi away
French and Albany Streets

Flight Path Map

This map shows the direct air route between Union and Colonia. Straight-line distance: 8.74 mi (14.07 km).

Union

#1 Union

A city in Union County, New Jersey.

Population67,137
Coordinates40.6976000, -74.2632000
Altitude30
CountryUnited States
Photo coming soon

#2 Colonia

Colonia is a place in New Jersey, United States.

Population0
Coordinates40.5745500, -74.3020900
Altitude24
CountryUnited States
Start: Union (-74.2632, 40.6976)
End: Colonia (-74.30209, 40.57455)

Estimated Travel Time

Distance: 19 km by road

SpeedTime
30 mph (48.3 km/h)00h 23m
40 mph (64.37 km/h)00h 17m
50 mph (80.47 km/h)00h 14m
60 mph (96.56 km/h)00h 11m
70 mph (112.65 km/h)00h 10m
80 mph (129 km/h)00h 08m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.42 gal
1.6 L · about $1.80
Round trip
$3.61
0.84 gal · 3.2 L
Estimated CO2
3.7 kg one way
Round trip: 7.5 kg / 17 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.30 $1.80 $3.61
Mid-grade $4.88 $2.05 $4.10
Premium $5.18 $2.17 $4.35
Diesel $6.32 $2.65 $5.31

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 · Oct 15, 2026

There is no time difference between Union and Colonia. The current time is 12:30:27.

Distance to Other Cities

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