How far is Hackettstown, NJ from Union, NJ?
The driving distance from Hackettstown, NJ to Union, NJ is about 48.1 miles (77.4 km), with a travel time of about 00h 52m by car.
- The straight-line flight distance is about 31.5 miles (50.7 km).
- For a round trip, plan for roughly 01h 45m 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 00h 52m.
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 New Jersey, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Hackettstown and Union.
Turn-by-Turn Driving Directions
Step-by-step road directions between Hackettstown and Union.
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1
Start on High Street
21 m · 9 sec · High Street
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2
Turn left onto Main Street
2315 ft · 1 min · Main Street
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3
Turn slight left onto Mill Street
674 ft · 19 sec · Mill Street
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4
Continue on Tannery Road
7.4 mi · 13 min · Tannery Road
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5
Continue straight
153 m · 10 sec
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6
Take the ramp slight right toward I 80 East: New York City, Denville
2520 ft · 33 sec
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7
Merge slight left onto Christopher Columbus Highway
2 mi · 2 min · Christopher Columbus Highway
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8
Take the exit slight right toward US 46 East: Ledgewood, Lake Hopatcong
1679 ft · 37 sec
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9
Continue on Ledgewood Road
947 ft · 12 sec · Ledgewood Road
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10
Continue straight
1.4 km · 1 min
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11
Continue straight
65 m · 5 sec
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12
Turn straight onto Route 10 East
9.2 mi · 12 min · Route 10 East
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13
Continue straight
3.5 mi · 4 min
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14
Take the exit straight toward I 287 South: Morristown, Morristown Airport
2727 ft · 1 min
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15
Merge slight left
1.3 km · 1 min
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16
Take the exit slight right toward NJ 24 East: Springfield
1.1 km · 1 min
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17
Continue straight
9.3 mi · 11 min
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18
Keep slight left to continue on I 78 East: Holland Tunnel, New York City, Newark
1877 ft · 29 sec
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19
Keep slight right to continue on I 78 East Local: Newark
1220 ft · 17 sec
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20
Merge slight right onto Phillipsburg-Newark Expressway
1.5 km · 1 min · Phillipsburg-Newark Expressway
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21
Take the exit slight right toward NJ 124 East: Maplewood
1775 ft · 43 sec
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22
Turn straight onto Springfield Avenue
1.3 km · 2 min · Springfield Avenue
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23
Turn right onto Vauxhall Road
2 mi · 5 min · Vauxhall Road
-
24
Turn left onto Harding Avenue
74 m · 11 sec · Harding Avenue
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25
Arrive at your destination
0 m · 1 sec · Harding Avenue
Car Route Details
A richer read on the saved driving route between Hackettstown and Union.
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.
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.
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.
Chance Rain Showers leaving Hackettstown and 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 Hackettstown to Union?
The road trip is about 48.1 miles (77.4 km) and usually takes 00h 52m 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?
Victory Gardens is a useful midpoint, sitting about 20.3 miles from Hackettstown and 27.8 miles from Union.
How much longer is the road route than the straight-line distance?
The direct path is about 31.5 miles (50.7 km), while the road route adds roughly 16.6 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 4:44 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.95 one way or $13.89 round trip. Estimated CO2 is about 15.1 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Hackettstown and Chance Rain Showers near Union.
Stop Ideas Near Victory Gardens
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 Victory Gardens.
Newark Liberty International Airport
Pennsylvania Station
Metropark station
New Brunswick station
Flight Path Map
This map shows the direct air route between Hackettstown and Union. Straight-line distance: 31.52 mi (50.72 km).
#1 Hackettstown
Town in Warren County, New Jersey, United States
| Population | 9,372 |
| Coordinates | 40.8539900, -74.8290600 |
| Altitude | 174 |
| 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: 77 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 36m |
| 40 mph (64.37 km/h) | 01h 12m |
| 50 mph (80.47 km/h) | 00h 57m |
| 60 mph (96.56 km/h) | 00h 48m |
| 70 mph (112.65 km/h) | 00h 41m |
| 80 mph (129 km/h) | 00h 36m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $6.95 | $13.89 |
| Mid-grade | $4.60 | $7.82 | $15.64 |
| Premium | $4.95 | $8.42 | $16.84 |
| Diesel | $5.98 | $10.17 | $20.33 |
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.