How far is Leonia, NJ from Union, NJ?

The driving distance from Leonia, NJ to Union, NJ is about 21.7 miles (35 km), with a travel time of about 00h 30m by car.

  • The straight-line flight distance is about 18.3 miles (29.5 km).
  • For a round trip, plan for roughly 01h 00m 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
21.78 mi
00h 30m
Flight
18.31 mi
29.47 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Leonia.

Flight Distance

Direct air line
18.31 mi
Kilometers
29.47 km
Flight Time
00h 02m

Driving Distance

Road route
21.78 mi
Kilometers
35.05 km
Drive Time
00h 30m

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 30m.

Arrival Snapshot
Arrive in Union
Thu, Apr 16, 12:02 AM EDT
Return by in Leonia
Thu, Apr 16, 12:32 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Leonia
2026-04-15T23:31
Arrive Union
Thu, Apr 16, 12:02 AM EDT
Route Timing
00h 30m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:30 AM to 7:30 PM EDT

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

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

Town in New Jersey

From Leonia
11.6 mi
00h 15m
To Union
10.2 mi
00h 15m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
89°F
This Afternoon

Slight Chance Showers And Thunderstorms

Starts
Wed, Apr 15 1:00 PM EDT
Wind
12 mph SW
Destination
89°F
Today

Mostly Sunny then Slight Chance Rain Showers

Starts
Wed, Apr 15 9:00 AM EDT
Wind
3 to 10 mph SW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Broad Avenue

    34 m · 8 sec · Broad Avenue

  2. 2

    Turn left onto Fort Lee Road

    1.1 km · 1 min · Fort Lee Road

  3. 3

    Continue on Degraw Avenue

    1756 ft · 33 sec · Degraw Avenue

  4. 4

    Turn slight right

    80 m · 10 sec

  5. 5

    Take the ramp right toward I 95 South, NJTP

    1910 ft · 30 sec

  6. 6

    Keep slight left to continue on I 95 South: The Ridgefields

    1963 ft · 48 sec

  7. 7

    Merge slight left onto New Jersey Turnpike

    1.8 mi · 3 min · New Jersey Turnpike

  8. 8

    Keep slight left to continue on New Jersey Turnpike Western Spur

    2.6 mi · 4 min · New Jersey Turnpike Western Spur

  9. 9

    Take the exit slight left

    2790 ft · 43 sec

  10. 10

    Merge slight right onto New Jersey Turnpike Western Spur

    7.2 mi · 10 min · New Jersey Turnpike Western Spur

  11. 11

    Take the exit slight right toward I 78, US 1, US 9: Newark Airport, Holland Tunnel

    1.4 mi · 2 min

  12. 12

    Keep slight right to continue on I 78 West, US 1, US 9: Newark Airport

    1329 ft · 23 sec

  13. 13

    Merge slight left onto Phillipsburg-Newark Expressway Tolls

    115 m · 5 sec · Phillipsburg-Newark Expressway Tolls

  14. 14

    Keep slight right to continue on Phillipsburg-Newark Expressway

    5.2 mi · 6 min · Phillipsburg-Newark Expressway

  15. 15

    Take the exit slight right toward GSP: Garden State Parkway

    1586 ft · 39 sec

  16. 16

    Keep slight right to continue on GSP South

    2433 ft · 1 min

  17. 17

    Merge slight left onto Garden State Parkway

    1.1 mi · 1 min · Garden State Parkway

  18. 18

    Take the exit slight right toward NJ 82 West: Union

    762 ft · 19 sec

  19. 19

    Turn slight right onto Morris Avenue

    555 ft · 14 sec · Morris Avenue

  20. 20

    Turn right onto Harding Avenue

    646 ft · 29 sec · Harding Avenue

  21. 21

    Turn right onto Vauxhall Road

    10 m · 5 sec · Vauxhall Road

  22. 22

    Turn left onto Harding Avenue

    74 m · 11 sec · Harding Avenue

  23. 23

    Arrive at your destination

    0 m · 1 sec · Harding Avenue

Car Route Details

A richer read on the saved driving route between Leonia 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
23 steps
9 turns on the saved route
Ramps & Exits
9
4 merges, 5 ramps or exits
Navigation Density
105.5 / 100 mi
Decision points by distance
Main Roads
New Jersey Turnpike Western Spur
10.3 mi · 47%
Phillipsburg-Newark Expressway
5.24 mi · 24%
New Jersey Turnpike
1.83 mi · 8%
I 78
1.4 mi · 6%
Garden State Parkway
1.06 mi · 5%
I 95 South
0.73 mi · 3%
Longest Stretch

New Jersey Turnpike Western Spur

Merge slight right onto New Jersey Turnpike Western Spur

7.18 mi · 00h 10m

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 30m
Quick drive
Same-Day Return
01h 00m
Round-trip wheel time
Road vs Air
+3.4 mi
18.3 mi direct line
Halfway Stop
Kearny
00h 15m from Leonia
Leave By
7:30 PM EDT
Flexible departure
Weather Watch

Slight Chance Showers And Thunderstorms leaving Leonia and Mostly Sunny then Slight 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 Leonia to Union?

The road trip is about 21.7 miles (35 km) and usually takes 00h 30m 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?

Kearny is a useful midpoint, sitting about 11.6 miles from Leonia and 10.2 miles from Union.

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

The direct path is about 18.3 miles (29.5 km), while the road route adds roughly 3.4 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:30 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 Slight Chance Showers And Thunderstorms around Leonia and Mostly Sunny then Slight Chance Rain Showers near Union.

Stop Ideas Near Kearny

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 Kearny and the surrounding midpoint area.
City Hall Parking Lot
Scenic stop 4.7 mi away

City Hall Parking Lot

Jersey City , NJ
280 Grove St, Jersey City, NJ 07302
Rating 5.0/5 2 reviews Parking lot
#Artlook New York City Hall Wedding Photographer
Practical stop 6.7 mi away

#Artlook New York City Hall Wedding Photographer

New York , NY
141 Worth St, New York, NY 10013
Rating 5.0/5 13 reviews Photographer,Photography service,Photography studio,Wedding photographer
City Hall Personnel Office
Meeting point 3.3 mi away

City Hall Personnel Office

Newark , NJ
920 Broad St, Newark, NJ 07102
Rating 5.0/5 5 reviews City government office
Diamond City Hall Photography
Nearby stop 6.7 mi away

Diamond City Hall Photography

New York , NY
141 Worth St, New York, NY 10013
Rating 5.0/5 53 reviews Wedding photographer

Transit and Meeting Points

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

RAIL

Pennsylvania Station

4 mi away
1 Raymond Plaza West
RAIL

Newark Liberty International Airport

8 mi away
Newark Liberty International Airport
RAIL

Pennsylvania Station

13 mi away
8th Ave 31st Street / 8th Ave 33rd Street
RAIL

Metropark station

27 mi away
100 Middlesex-Essex Turnpike

Flight Path Map

This map shows the direct air route between Leonia and Union. Straight-line distance: 18.31 mi (29.47 km).

Leonia

#1 Leonia

Borough in Bergen County, New Jersey, United States

Population8,988
Coordinates40.8614900, -73.9881900
Altitude32
CountryUnited States
Union

#2 Union

A city in Union County, New Jersey.

Population67,137
Coordinates40.6976000, -74.2632000
Altitude30
CountryUnited States
Start: Broad Avenue (-73.988134, 40.861481)
End: Harding Avenue (-74.26348, 40.697581)

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
2.91 L · about $3.15
Round trip
$6.29
1.54 gal · 5.82 L
Estimated CO2
6.8 kg one way
Round trip: 13.7 kg / 30 lb CO2, using regular gasoline.
Fuel$/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 16, 2026

There is no time difference between Leonia and Union. The current time is 23:31:50.

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.