How far is Mount Arlington, NJ from Union, NJ?

The driving distance from Mount Arlington, NJ to Union, NJ is about 35.2 miles (56.7 km), with a travel time of about 00h 40m by car.

  • The straight-line flight distance is about 25 miles (40.3 km).
  • For a round trip, plan for roughly 01h 21m 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
35.24 mi
00h 40m
Flight
25.04 mi
40.29 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Mount Arlington.

Flight Distance

Direct air line
25.04 mi
Kilometers
40.29 km
Flight Time
00h 03m

Driving Distance

Road route
35.24 mi
Kilometers
56.72 km
Drive Time
00h 40m

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 40m.

Arrival Snapshot
Arrive in Union
Wed, Apr 22, 1:20 AM EDT
Return by in Mount Arlington
Wed, Apr 22, 2:01 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Mount Arlington
2026-04-22T00:39
Arrive Union
Wed, Apr 22, 1:20 AM EDT
Route Timing
00h 40m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:41 AM to 7:41 PM EDT

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

Leave by
7:08 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Mount Arlington
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
Monroe
NJ

Township in Gloucester County, New Jersey

From Mount Arlington
16.2 mi
00h 20m
To Union
19 mi
00h 20m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
58°F
Wednesday

Chance Rain Showers

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

Forecast data is not available for this endpoint yet.

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Mount Arlington and Union.

  1. 1

    Start on Mountainview Avenue

    11 m · 8 sec · Mountainview Avenue

  2. 2

    Turn left onto Howard Boulevard

    3.7 mi · 7 min · Howard Boulevard

  3. 3

    Continue on Commerce Boulevard

    2390 ft · 52 sec · Commerce Boulevard

  4. 4

    Turn right onto Main Street

    554 ft · 13 sec · Main Street

  5. 5

    Turn left onto Route 10 East

    8.7 mi · 11 min · Route 10 East

  6. 6

    Continue straight

    3.5 mi · 4 min

  7. 7

    Take the exit straight toward I 287 South: Morristown, Morristown Airport

    2727 ft · 1 min

  8. 8

    Merge slight left

    1.3 km · 1 min

  9. 9

    Take the exit slight right toward NJ 24 East: Springfield

    1.1 km · 1 min

  10. 10

    Continue straight

    9.3 mi · 11 min

  11. 11

    Keep slight left to continue on I 78 East: Holland Tunnel, New York City, Newark

    1877 ft · 29 sec

  12. 12

    Keep slight right to continue on I 78 East Local: Newark

    1220 ft · 17 sec

  13. 13

    Merge slight right onto Phillipsburg-Newark Expressway

    1.5 km · 1 min · Phillipsburg-Newark Expressway

  14. 14

    Take the exit slight right toward NJ 124 East: Maplewood

    1775 ft · 43 sec

  15. 15

    Turn straight onto Springfield Avenue

    1.3 km · 2 min · Springfield Avenue

  16. 16

    Turn right onto Vauxhall Road

    2 mi · 5 min · Vauxhall Road

  17. 17

    Turn left onto Harding Avenue

    74 m · 11 sec · Harding Avenue

  18. 18

    Arrive at your destination

    0 m · 1 sec · Harding Avenue

Car Route Details

A richer read on the saved driving route between Mount Arlington 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
18 steps
6 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
51.1 / 100 mi
Decision points by distance
Main Roads
Route 10 East
12.3 mi · 35%
NJ 24 East
10 mi · 28%
Howard Boulevard
3.69 mi · 10%
Vauxhall Road
1.97 mi · 6%
I 287 South
1.31 mi · 4%
Phillipsburg-Newark Expressway
0.93 mi · 3%
Longest Stretch

NJ 24 East

Continue straight

9.29 mi · 00h 11m

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 40m
Quick drive
Same-Day Return
01h 22m
Round-trip wheel time
Road vs Air
+10.2 mi
25 mi direct line
Halfway Stop
Monroe
00h 20m from Mount Arlington
Leave By
7:08 PM EDT
Flexible departure
Weather Watch

Chance Rain Showers near Mount Arlington.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Mount Arlington to Union?

The road trip is about 35.2 miles (56.7 km) and usually takes 00h 40m 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?

Monroe is a useful midpoint, sitting about 16.2 miles from Mount Arlington and 19 miles from Union.

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

The direct path is about 25 miles (40.3 km), while the road route adds roughly 10.2 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 7:08 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $5.07 one way or $10.13 round trip. Estimated CO2 is about 11 kg one way.

What should you check before leaving?

Before leaving, the latest forecast around Mount Arlington is Chance Rain Showers.

Stop Ideas Near Monroe

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 Monroe and the surrounding midpoint area.
West Orange Town Hall
Scenic stop 11.5 mi away

West Orange Town Hall

West Orange , NJ
66 Main St, West Orange, NJ 07052
Rating 4.1/5 16 reviews Park
Orange Township City Hall
Meeting point 12.1 mi away

Orange Township City Hall

Monroe
29 N Day St, City of Orange, NJ 07050
Rating 3.6/5 19 reviews City Hall
Bloomfield Municipal Building
Nearby stop 13.5 mi away

Bloomfield Municipal Building

Bloomfield , NJ
1 Municipal Plaza, Bloomfield, NJ 07003
Rating 4.4/5 17 reviews Municipal hall

Transit and Meeting Points

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

RAIL

Newark Liberty International Airport

24 mi away
Newark Liberty International Airport
RAIL

Pennsylvania Station

25 mi away
1 Raymond Plaza West
RAIL

Metropark station

29 mi away
100 Middlesex-Essex Turnpike
RAIL

New Brunswick station

35 mi away
French and Albany Streets

Flight Path Map

This map shows the direct air route between Mount Arlington and Union. Straight-line distance: 25.04 mi (40.29 km).

Mount Arlington

#1 Mount Arlington

Borough in New Jersey, United States

Population5,826
Coordinates40.9259300, -74.6348800
Altitude309
CountryUnited States
Union

#2 Union

A city in Union County, New Jersey.

Population67,137
Coordinates40.6976000, -74.2632000
Altitude30
CountryUnited States
Start: Howard Boulevard (-74.634979, 40.925902)
End: Harding Avenue (-74.26348, 40.697581)

Estimated Travel Time

Distance: 57 km by road

SpeedTime
30 mph (48.3 km/h)01h 10m
40 mph (64.37 km/h)00h 52m
50 mph (80.47 km/h)00h 42m
60 mph (96.56 km/h)00h 35m
70 mph (112.65 km/h)00h 30m
80 mph (129 km/h)00h 26m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.24 gal
4.71 L · about $5.07
Round trip
$10.13
2.48 gal · 9.42 L
Estimated CO2
11 kg one way
Round trip: 22 kg / 49 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $5.07 $10.13
Mid-grade $4.60 $5.70 $11.41
Premium $4.95 $6.14 $12.29
Diesel $5.98 $7.42 $14.83

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 Mount Arlington and Union. The current time is 00:39:11.

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.