How far is Union, NJ from Hackettstown, NJ?

The driving distance from Union, NJ to Hackettstown, NJ is about 40.6 miles (65.4 km), with a travel time of about 01h 02m by car.

  • The straight-line flight distance is about 31.5 miles (50.7 km).
  • For a round trip, plan for roughly 02h 04m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
40.64 mi
01h 02m
Flight
31.52 mi
50.72 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Union.

Flight Distance

Direct air line
31.52 mi
Kilometers
50.72 km
Flight Time
00h 03m

Driving Distance

Road route
40.64 mi
Kilometers
65.4 km
Drive Time
01h 02m

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 02m.

Arrival Snapshot
Arrive in Hackettstown
Thu, Apr 23, 1:36 AM EDT
Return by in Union
Thu, Apr 23, 2:38 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Union
2026-04-23T00:34
Arrive Hackettstown
Thu, Apr 23, 1:36 AM EDT
Route Timing
01h 02m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:02 AM to 11:02 AM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:26 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Union
9:30 PM EDT
Morning start is best

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
Victory Gardens
NJ

Borough in New Jersey, United States

From Union
20.3 mi
00h 31m
To Hackettstown
20.3 mi
00h 31m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
Union Weather
NJ
Live fallback forecast
70°F
Thursday
Using Hillside as the closest live forecast in the Union County weather hub.

Mostly Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
0 to 5 mph NW
Destination
68°F
Thursday

Mostly Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
0 to 5 mph NW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Harding Avenue

    74 m · 12 sec · Harding Avenue

  2. 2

    Turn right onto Vauxhall Road

    2 mi · 5 min · Vauxhall Road

  3. 3

    Turn left onto Springfield Avenue

    3245 ft · 1 min · Springfield Avenue

  4. 4

    Take the ramp straight toward NJ 24 West: Morristown

    1875 ft · 1 min

  5. 5

    Merge slight left onto Phillipsburg-Newark Expressway

    1.5 km · 1 min · Phillipsburg-Newark Expressway

  6. 6

    Keep slight right to continue on NJ 24 West: Springfield, Morristown

    1798 ft · 34 sec

  7. 7

    Continue straight

    9.4 mi · 11 min

  8. 8

    Keep slight right to continue on I 287 North: Mahwah

    2647 ft · 57 sec

  9. 9

    Merge slight left

    1.5 km · 1 min

  10. 10

    Take the exit slight right toward NJ 10: Dover, Whippany

    1161 ft · 28 sec

  11. 11

    Keep slight left to continue on NJ 10 West: Dover

    2876 ft · 1 min

  12. 12

    Continue straight

    12.8 mi · 18 min

  13. 13

    Continue straight

    1.2 mi · 1 min

  14. 14

    Take the exit straight toward I 80 West

    2295 ft · 57 sec

  15. 15

    Merge slight left onto Christopher Columbus Highway

    1.9 mi · 2 min · Christopher Columbus Highway

  16. 16

    Take the exit slight right toward US 46 West: Budd Lake, Hackettstown

    2134 ft · 48 sec

  17. 17

    Turn straight

    1272 ft · 24 sec

  18. 18

    Continue straight

    7.4 mi · 13 min

  19. 19

    Continue on Main Street

    2315 ft · 1 min · Main Street

  20. 20

    Turn right onto High Street

    21 m · 2 sec · High Street

  21. 21

    Arrive at your destination

    0 m · 1 sec · High Street

Car Route Details

A richer read on the saved driving route between Union and Hackettstown.

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
21 steps
4 turns on the saved route
Ramps & Exits
7
3 merges, 4 ramps or exits
Navigation Density
51.7 / 100 mi
Decision points by distance
Main Roads
NJ 10 West
14.5 mi · 36%
NJ 24 West
10.1 mi · 25%
US 46 West
7.78 mi · 19%
Vauxhall Road
1.97 mi · 5%
Christopher Columbus Highway
1.93 mi · 5%
I 287 North
1.41 mi · 3%
Longest Stretch

NJ 10 West

Continue straight

12.8 mi · 00h 18m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
01h 02m
Day trip friendly
Same-Day Return
02h 04m
Round-trip wheel time
Road vs Air
+9.1 mi
31.5 mi direct line
Halfway Stop
Victory Gardens
00h 31m from Union
Leave By
4:26 PM EDT
Morning start is best
Weather Watch

Mostly Sunny leaving Union and Mostly Sunny near Hackettstown.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Union to Hackettstown?

The road trip is about 40.6 miles (65.4 km) and usually takes 01h 02m 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 Union and 20.3 miles from Hackettstown.

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 9.1 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 4:26 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $5.84 one way or $11.69 round trip. Estimated CO2 is about 12.7 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Union and Mostly Sunny near Hackettstown.

Stop Ideas Near Victory Gardens

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Victory Gardens, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Victory Gardens.

RAIL

Newark Liberty International Airport

35 mi away
Newark Liberty International Airport
RAIL

Pennsylvania Station

35 mi away
1 Raymond Plaza West
RAIL

Metropark station

39 mi away
100 Middlesex-Essex Turnpike
RAIL

New Brunswick station

43 mi away
French and Albany Streets

Flight Path Map

This map shows the direct air route between Union and Hackettstown. Straight-line distance: 31.52 mi (50.72 km).

Union

#1 Union

A city in Union County, New Jersey.

Population67,137
Coordinates40.6976000, -74.2632000
Altitude30
CountryUnited States
Hackettstown

#2 Hackettstown

Town in Warren County, New Jersey, United States

Population9,372
Coordinates40.8539900, -74.8290600
Altitude174
CountryUnited States
Start: Union (-74.2632, 40.6976)
End: Hackettstown (-74.82906, 40.85399)

Estimated Travel Time

Distance: 65 km by road

SpeedTime
30 mph (48.3 km/h)01h 21m
40 mph (64.37 km/h)01h 00m
50 mph (80.47 km/h)00h 48m
60 mph (96.56 km/h)00h 40m
70 mph (112.65 km/h)00h 34m
80 mph (129 km/h)00h 30m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.43 gal
5.43 L · about $5.84
Round trip
$11.69
2.86 gal · 10.86 L
Estimated CO2
12.7 kg one way
Round trip: 25.4 kg / 56 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $5.84 $11.69
Mid-grade $4.60 $6.58 $13.15
Premium $4.95 $7.08 $14.17
Diesel $5.98 $8.55 $17.10

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

There is no time difference between Union and Hackettstown. The current time is 00:34:30.

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.