How far is Salem, NJ from Union, NJ?
The driving distance from Salem, NJ to Union, NJ is about 112.4 miles (180.9 km), with a travel time of about 01h 53m by car.
- The straight-line flight distance is about 100.5 miles (161.7 km).
- For a round trip, plan for roughly 03h 46m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
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 53m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Township in Warren County, New Jersey
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Salem and Union.
Turn-by-Turn Driving Directions
Step-by-step road directions between Salem and Union.
-
1
Start on West Broadway
2860 ft · 43 sec · West Broadway
-
2
Turn right onto Front Street
1040 ft · 14 sec · Front Street
-
3
Continue on South Broadway
2.6 mi · 3 min · South Broadway
-
4
Continue on Broadway Road
1595 ft · 23 sec · Broadway Road
-
5
Continue on South Broadway
5.2 mi · 7 min · South Broadway
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6
Take the exit slight right toward US 40 East, NJTP: Hook Road, Atlantic City
92 m · 8 sec
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7
Turn straight onto Old Pennsville-Auburn Road
953 ft · 20 sec · Old Pennsville-Auburn Road
-
8
Take the ramp left toward US 40 East: Atlantic City
1427 ft · 35 sec
-
9
Merge slight left onto New Jersey Turnpike
1.9 mi · 2 min · New Jersey Turnpike
-
10
Take the exit slight left
1039 ft · 14 sec
-
11
Continue straight
899 ft · 12 sec
-
12
Merge slight right onto New Jersey Turnpike
46.7 mi · 54 min · New Jersey Turnpike
-
13
Keep slight left to continue on New Jersey Turnpike
41.4 mi · 48 min · New Jersey Turnpike
-
14
Take the exit slight right toward GSP, US 9: Garden State Parkway, Woodbridge
2531 ft · 1 min
-
15
Keep slight right to continue on GSP North: Garden State Parkway
1.2 km · 2 min
-
16
Merge slight left onto Garden State Parkway
11.2 mi · 16 min · Garden State Parkway
-
17
Take the exit slight right toward US 22, NJ 82: Hillside
1526 ft · 39 sec
-
18
Merge slight left
48 m · 3 sec
-
19
Take the exit slight right toward NJ 82: Morris Avenue, Kean University, Elizabeth
878 ft · 24 sec
-
20
Turn slight right onto Morris Avenue
690 ft · 15 sec · Morris Avenue
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21
Turn slight right
155 m · 44 sec
-
22
Turn left onto Morris Avenue
2494 ft · 55 sec · Morris Avenue
-
23
Turn right onto Harding Avenue
646 ft · 29 sec · Harding Avenue
-
24
Turn right onto Vauxhall Road
10 m · 5 sec · Vauxhall Road
-
25
Turn left onto Harding Avenue
74 m · 11 sec · Harding Avenue
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26
Arrive at your destination
0 m · 1 sec · Harding Avenue
Car Route Details
A richer read on the saved driving route between Salem and Union.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
New Jersey Turnpike
Merge slight right onto New Jersey Turnpike
46.7 mi · 00h 54m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Sunny leaving Salem and Mostly Sunny near Union.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Salem to Union?
The road trip is about 112.4 miles (180.9 km) and usually takes 01h 53m 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?
Mansfield is a useful midpoint, sitting about 56.7 miles from Salem and 55.7 miles from Union.
How much longer is the road route than the straight-line distance?
The direct path is about 100.5 miles (161.7 km), while the road route adds roughly 11.9 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 2:44 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $16.22 one way or $32.44 round trip. Estimated CO2 is about 35.3 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Salem and Mostly Sunny near Union.
Stop Ideas Near Mansfield
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Old City Hall
Trenton City Hall
Fieldsboro Town Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Mansfield.
Trenton Transit Center
Cornwells Heights
Princeton Junction station
Pennsauken, NJ
Flight Path Map
This map shows the direct air route between Salem and Union. Straight-line distance: 100.48 mi (161.7 km).
#1 Salem
City in Salem County, New Jersey, USA
| Population | 4,713 |
| Coordinates | 39.5717800, -75.4671400 |
| Altitude | 3 |
| Country | United States |
#2 Union
A city in Union County, New Jersey.
| Population | 67,137 |
| Coordinates | 40.6976000, -74.2632000 |
| Altitude | 30 |
| Country | United States |
End: Harding Avenue (-74.26348, 40.697581)
Estimated Travel Time
Distance: 181 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 44m |
| 40 mph (64.37 km/h) | 02h 48m |
| 50 mph (80.47 km/h) | 02h 14m |
| 60 mph (96.56 km/h) | 01h 52m |
| 70 mph (112.65 km/h) | 01h 36m |
| 80 mph (129 km/h) | 01h 24m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $16.22 | $32.44 |
| Mid-grade | $4.60 | $18.26 | $36.52 |
| Premium | $4.95 | $19.67 | $39.33 |
| Diesel | $5.98 | $23.74 | $47.48 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.