How far is Cinnaminson, NJ from Union, NJ?

The driving distance from Cinnaminson, NJ to Union, NJ is about 70.2 miles (113 km), with a travel time of about 01h 20m by car.

  • The straight-line flight distance is about 61.8 miles (99.5 km).
  • For a round trip, plan for roughly 02h 41m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
70.24 mi
01h 20m
Flight
61.81 mi
99.47 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Cinnaminson.

Flight Distance

Direct air line
61.81 mi
Kilometers
99.47 km
Flight Time
00h 07m

Driving Distance

Road route
70.24 mi
Kilometers
113.04 km
Drive Time
01h 20m

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 01h 20m.

Arrival Snapshot
Arrive in Union
Thu, Apr 23, 12:13 AM EDT
Return by in Cinnaminson
Thu, Apr 23, 1:34 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Cinnaminson
2026-04-22T22:52
Arrive Union
Thu, Apr 23, 12:13 AM EDT
Route Timing
01h 20m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:21 AM to 11:21 AM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
3:48 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Cinnaminson
9:30 PM EDT
Morning start is best

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
Millstone
NJ

Borough in Somerset County, New Jersey

From Cinnaminson
35.2 mi
00h 40m
To Union
35 mi
00h 40m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
67°F
Wednesday

Chance Rain Showers

Starts
Wed, Apr 22 6:00 AM EDT
Wind
5 mph SW
Destination
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

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Burlington Pike

    8.2 mi · 13 min · Burlington Pike

  2. 2

    Continue on Washington Avenue

    1477 ft · 27 sec · Washington Avenue

  3. 3

    Continue on Burlington Pike

    4.7 mi · 8 min · Burlington Pike

  4. 4

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

    1665 ft · 44 sec

  5. 5

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

    1.1 km · 2 min

  6. 6

    Merge slight left onto New Jersey Turnpike Pennsylvania Extension

    2.6 mi · 3 min · New Jersey Turnpike Pennsylvania Extension

  7. 7

    Keep slight left

    39.8 mi · 46 min

  8. 8

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

    2531 ft · 1 min

  9. 9

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

    1.2 km · 2 min

  10. 10

    Merge slight left onto Garden State Parkway

    11.2 mi · 16 min · Garden State Parkway

  11. 11

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

    1526 ft · 39 sec

  12. 12

    Merge slight left

    48 m · 3 sec

  13. 13

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

    878 ft · 24 sec

  14. 14

    Turn slight right onto Morris Avenue

    690 ft · 15 sec · Morris Avenue

  15. 15

    Turn slight right

    155 m · 44 sec

  16. 16

    Turn left onto Morris Avenue

    2494 ft · 55 sec · Morris Avenue

  17. 17

    Turn right onto Harding Avenue

    646 ft · 29 sec · Harding Avenue

  18. 18

    Turn right onto Vauxhall Road

    10 m · 5 sec · Vauxhall Road

  19. 19

    Turn left onto Harding Avenue

    74 m · 11 sec · Harding Avenue

  20. 20

    Arrive at your destination

    0 m · 1 sec · Harding Avenue

Car Route Details

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

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
20 steps
8 turns on the saved route
Ramps & Exits
7
3 merges, 4 ramps or exits
Navigation Density
28.5 / 100 mi
Decision points by distance
Main Roads
New Jersey Turnpike Pennsylvania Extension
42.4 mi · 60%
Burlington Pike
12.9 mi · 18%
Garden State Parkway
11.2 mi · 16%
GSP North
0.74 mi · 1%
I 95 North
0.66 mi · 1%
Morris Avenue
0.6 mi · 1%
Longest Stretch

New Jersey Turnpike Pennsylvania Extension

Keep slight left

39.8 mi · 00h 46m

Route Summary

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

Trip Read

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.

Drive Time
01h 20m
Day trip friendly
Same-Day Return
02h 42m
Round-trip wheel time
Road vs Air
+8.4 mi
61.8 mi direct line
Halfway Stop
Millstone
00h 40m from Cinnaminson
Leave By
3:48 PM EDT
Morning start is best
Weather Watch

Chance Rain Showers leaving Cinnaminson 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 Cinnaminson to Union?

The road trip is about 70.2 miles (113 km) and usually takes 01h 20m 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?

Millstone is a useful midpoint, sitting about 35.2 miles from Cinnaminson and 35 miles from Union.

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

The direct path is about 61.8 miles (99.5 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 3:48 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $10.13 one way or $20.27 round trip. Estimated CO2 is about 22 kg one way.

What should you check before leaving?

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

Stop Ideas Near Millstone

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

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Millstone and the surrounding midpoint area.
Old City Hall
Scenic stop 14.9 mi away

Old City Hall

Bordentown , NJ
11 Crosswicks St, Bordentown, NJ 08505
Rating 4.6/5 13 reviews Historical landmark
Trenton City Hall
Meeting point 14.4 mi away

Trenton City Hall

Trenton , NJ
319 E State St, Trenton, NJ 08608
Rating 3.8/5 67 reviews City Hall
Stop photo coming soon
Nearby stop 14.4 mi away

Trenton Health & Human Services

Trenton , NJ
319 E State St #3rd, Trenton, NJ 08608
Public health department

Transit and Meeting Points

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

RAIL

Princeton Junction station

8 mi away
2 Wallace Road
RAIL

Trenton Transit Center

20 mi away
72 South Clinton Avenue
RAIL

New Brunswick station

24 mi away
French and Albany Streets
RAIL

Metropark station

36 mi away
100 Middlesex-Essex Turnpike

Flight Path Map

This map shows the direct air route between Cinnaminson and Union. Straight-line distance: 61.81 mi (99.47 km).

Cinnaminson

#1 Cinnaminson

Township in New Jersey

Population16,602
Coordinates39.9967800, -74.9926700
Altitude23
CountryUnited States
Union

#2 Union

A city in Union County, New Jersey.

Population67,137
Coordinates40.6976000, -74.2632000
Altitude30
CountryUnited States
Start: US 130 (-74.992717, 39.996835)
End: Harding Avenue (-74.26348, 40.697581)

Estimated Travel Time

Distance: 113 km by road

SpeedTime
30 mph (48.3 km/h)02h 20m
40 mph (64.37 km/h)01h 45m
50 mph (80.47 km/h)01h 24m
60 mph (96.56 km/h)01h 10m
70 mph (112.65 km/h)01h 00m
80 mph (129 km/h)00h 52m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.48 gal
9.38 L · about $10.13
Round trip
$20.27
4.96 gal · 18.76 L
Estimated CO2
22 kg one way
Round trip: 44.1 kg / 97 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $10.13 $20.27
Mid-grade $4.60 $11.41 $22.81
Premium $4.95 $12.29 $24.57
Diesel $5.98 $14.83 $29.66

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 23, 2026

There is no time difference between Cinnaminson and Union. The current time is 22:52:58.

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.