How far is Union, NJ from Mount Holly, NJ?
The driving distance from Union, NJ to Mount Holly, NJ is about 62.5 miles (100.6 km), with a travel time of about 01h 22m by car.
- The straight-line flight distance is about 56 miles (90.1 km).
- For a round trip, plan for roughly 02h 44m 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 22m.
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.
Borough in Middlesex County, New Jersey
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Union and Mount Holly.
Turn-by-Turn Driving Directions
Step-by-step road directions between Union and Mount Holly.
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1
Start on Harding Avenue
74 m · 12 sec · Harding Avenue
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2
Turn right onto Vauxhall Road
1087 ft · 42 sec · Vauxhall Road
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3
Turn left onto Stuyvesant Avenue
3120 ft · 2 min · Stuyvesant Avenue
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4
Continue on Chestnut Street
708 ft · 28 sec · Chestnut Street
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5
Take the ramp slight right toward GSP Toll South
1588 ft · 39 sec
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6
Merge slight left onto Garden State Parkway
8.6 mi · 12 min · Garden State Parkway
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7
Continue on Garden State Parkway Southbound
2.3 mi · 3 min · Garden State Parkway Southbound
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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
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9
Keep slight left to continue on I 95, NJTP: New York City, Philadelphia
2379 ft · 58 sec
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10
Keep slight left
926 ft · 24 sec
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11
Keep slight left to continue on I 95 South, NJTP South: Trenton
978 ft · 24 sec
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12
Keep slight left
2312 ft · 56 sec
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13
Merge slight left onto New Jersey Turnpike
36.7 mi · 42 min · New Jersey Turnpike
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14
Take the exit slight right toward US 206: Bordentown, Trenton
1.2 km · 2 min
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15
Keep slight left to continue on US 206 South: Joint Base MDL
1552 ft · 44 sec
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16
Merge slight left
826 ft · 13 sec
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17
Continue straight
7.4 mi · 9 min
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18
Turn right onto Monmouth Road
2.4 mi · 4 min · Monmouth Road
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19
Continue on Garden Street
958 ft · 19 sec · Garden Street
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20
Turn straight onto Branch Street
2325 ft · 46 sec · Branch Street
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21
Continue on Mill Street
2187 ft · 46 sec · Mill Street
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22
Arrive at your destination
0 m · 1 sec · Mill Street
Car Route Details
A richer read on the saved driving route between Union and Mount Holly.
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
36.7 mi · 00h 42m
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 Union and Sunny near Mount Holly.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Union to Mount Holly?
The road trip is about 62.5 miles (100.6 km) and usually takes 01h 22m 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?
Jamesburg is a useful midpoint, sitting about 31.3 miles from Union and 31.3 miles from Mount Holly.
How much longer is the road route than the straight-line distance?
The direct path is about 56 miles (90.1 km), while the road route adds roughly 6.5 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 3:46 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.03 one way or $18.06 round trip. Estimated CO2 is about 19.6 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Union and Sunny near Mount Holly.
Stop Ideas Near Jamesburg
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Jamesburg.
Princeton Junction station
New Brunswick station
Metropark station
Trenton Transit Center
Flight Path Map
This map shows the direct air route between Union and Mount Holly. Straight-line distance: 55.98 mi (90.09 km).
#1 Union
A city in Union County, New Jersey.
| Population | 67,137 |
| Coordinates | 40.6976000, -74.2632000 |
| Altitude | 30 |
| Country | United States |
#2 Mount Holly
City in Gaston County, North Carolina
| Population | 9,525 |
| Coordinates | 39.9928900, -74.7876600 |
| Altitude | 3 |
| Country | United States |
End: Mount Holly (-74.78766, 39.99289)
Estimated Travel Time
Distance: 101 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 05m |
| 40 mph (64.37 km/h) | 01h 33m |
| 50 mph (80.47 km/h) | 01h 15m |
| 60 mph (96.56 km/h) | 01h 02m |
| 70 mph (112.65 km/h) | 00h 53m |
| 80 mph (129 km/h) | 00h 46m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $9.03 | $18.06 |
| Mid-grade | $4.60 | $10.16 | $20.33 |
| Premium | $4.95 | $10.95 | $21.90 |
| Diesel | $5.98 | $13.22 | $26.43 |
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 12, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.