How far is Union, NJ from Penns Grove, NJ?
The driving distance from Union, NJ to Penns Grove, NJ is about 105.6 miles (170 km), with a travel time of about 02h 11m by car.
- The straight-line flight distance is about 92.3 miles (148.5 km).
- For a round trip, plan for roughly 04h 23m 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 02h 11m.
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.
Partly Sunny
Driving Route Map
The map below follows the saved road route between Union and Penns Grove.
Turn-by-Turn Driving Directions
Step-by-step road directions between Union and Penns Grove.
-
1
Start on Harding Avenue
74 m · 12 sec · Harding Avenue
-
2
Turn right onto Vauxhall Road
1087 ft · 42 sec · Vauxhall Road
-
3
Turn left onto Stuyvesant Avenue
3120 ft · 2 min · Stuyvesant Avenue
-
4
Continue on Chestnut Street
708 ft · 28 sec · Chestnut Street
-
5
Take the ramp slight right toward GSP Toll South
1588 ft · 39 sec
-
6
Merge slight left onto Garden State Parkway
8.6 mi · 12 min · Garden State Parkway
-
7
Continue on Garden State Parkway Southbound
2.3 mi · 3 min · Garden State Parkway Southbound
-
8
Take the exit slight right toward I 95, NJTP, US 9, NJ 440, I 287: New York City, Philadelphia, Woodbridge, Perth Amboy
1754 ft · 43 sec · Exit 129
-
9
Keep slight left to continue on I 95, NJTP: New York City, Philadelphia
2379 ft · 58 sec
-
10
Keep slight left
926 ft · 24 sec
-
11
Keep slight left to continue on I 95 South, NJTP South: Trenton
978 ft · 24 sec
-
12
Keep slight left
2312 ft · 56 sec
-
13
Merge slight left onto New Jersey Turnpike
39.1 mi · 45 min · New Jersey Turnpike
-
14
Keep slight left to continue on New Jersey Turnpike
16.8 mi · 19 min · New Jersey Turnpike
-
15
Take the exit slight right toward NJ 73: Mount Laurel, Camden
2533 ft · 56 sec
-
16
Keep slight right to continue on NJ 73 North: Camden
1017 ft · 25 sec
-
17
Merge slight left
2533 ft · 43 sec
-
18
Take the exit right toward I 295 South: Delaware Memorial Bridge
1461 ft · 36 sec
-
19
Merge slight left
22.9 mi · 28 min
-
20
Keep slight left
9.6 mi · 11 min
-
21
Take the exit slight right toward NJ 48: Woodstown, Penns Grove
1499 ft · 37 sec
-
22
Turn right onto Harding Highway
1.4 mi · 2 min · Harding Highway
-
23
Continue on East Main Street
1699 ft · 47 sec · East Main Street
-
24
Arrive at your destination
0 m · 1 sec · East Main Street
Car Route Details
A richer read on the saved driving route between Union and Penns Grove.
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 left onto New Jersey Turnpike
39.1 mi · 00h 45m
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.
Partly Sunny leaving Union and Partly Sunny near Penns Grove.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Union to Penns Grove?
The road trip is about 105.6 miles (170 km) and usually takes 02h 11m 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 52.8 miles from Union and 52.9 miles from Penns Grove.
How much longer is the road route than the straight-line distance?
The direct path is about 92.3 miles (148.5 km), while the road route adds roughly 13.3 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 2:06 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $15.24 one way or $30.48 round trip. Estimated CO2 is about 33.1 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Union and Partly Sunny near Penns Grove.
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 Union and Penns Grove. Straight-line distance: 92.27 mi (148.5 km).
#1 Union
A city in Union County, New Jersey.
| Population | 67,137 |
| Coordinates | 40.6976000, -74.2632000 |
| Altitude | 30 |
| Country | United States |
#2 Penns Grove
Borough in Salem County, New Jersey, United States
| Population | 4,752 |
| Coordinates | 39.7295600, -75.4679700 |
| Altitude | 3 |
| Country | United States |
End: Penns Grove (-75.46797, 39.72956)
Estimated Travel Time
Distance: 170 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 31m |
| 40 mph (64.37 km/h) | 02h 38m |
| 50 mph (80.47 km/h) | 02h 06m |
| 60 mph (96.56 km/h) | 01h 45m |
| 70 mph (112.65 km/h) | 01h 30m |
| 80 mph (129 km/h) | 01h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $15.24 | $30.48 |
| Mid-grade | $4.60 | $17.15 | $34.31 |
| Premium | $4.95 | $18.48 | $36.96 |
| Diesel | $5.98 | $22.31 | $44.61 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.