How far is Delaware, NJ from Union, NJ?
The driving distance from Delaware, NJ to Union, NJ is about 61.5 miles (99 km), with a travel time of about 01h 02m by car.
- The straight-line flight distance is about 44.1 miles (70.9 km).
- For a round trip, plan for roughly 02h 05m 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 02m.
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 of New Jersey
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Delaware and Union.
Turn-by-Turn Driving Directions
Step-by-step road directions between Delaware and Union.
-
1
Start on Clinton Street
149 m · 26 sec · Clinton Street
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2
Turn right
2.4 mi · 4 min
-
3
Take the exit right
926 ft · 25 sec
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4
Turn straight
103 m · 8 sec
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5
Take the ramp slight right toward I 80 East: Netcong, New York City
1993 ft · 48 sec · ramp to I-80 Eastbound
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6
Merge slight left onto Christopher Columbus Highway
23.7 mi · 27 min · Christopher Columbus Highway
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7
Take the exit slight right toward US 46 East: Ledgewood, Lake Hopatcong
1679 ft · 37 sec
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8
Continue on Ledgewood Road
947 ft · 12 sec · Ledgewood Road
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9
Continue straight
1.4 km · 1 min
-
10
Continue straight
65 m · 5 sec
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11
Turn straight onto Route 10 East
9.2 mi · 12 min · Route 10 East
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12
Continue straight
3.5 mi · 4 min
-
13
Take the exit straight toward I 287 South: Morristown, Morristown Airport
2727 ft · 1 min
-
14
Merge slight left
1.3 km · 1 min
-
15
Take the exit slight right toward NJ 24 East: Springfield
1.1 km · 1 min
-
16
Continue straight
9.3 mi · 11 min
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17
Keep slight left to continue on I 78 East: Holland Tunnel, New York City, Newark
1877 ft · 29 sec
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18
Keep slight right to continue on I 78 East Local: Newark
1220 ft · 17 sec
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19
Merge slight right onto Phillipsburg-Newark Expressway
1.5 km · 1 min · Phillipsburg-Newark Expressway
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20
Take the exit slight right toward NJ 124 East: Maplewood
1775 ft · 43 sec
-
21
Turn straight onto Springfield Avenue
1.3 km · 2 min · Springfield Avenue
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22
Turn right onto Vauxhall Road
2 mi · 5 min · Vauxhall Road
-
23
Turn left onto Harding Avenue
74 m · 11 sec · Harding Avenue
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24
Arrive at your destination
0 m · 1 sec · Harding Avenue
Car Route Details
A richer read on the saved driving route between Delaware 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.
Christopher Columbus Highway
Merge slight left onto Christopher Columbus Highway
23.7 mi · 00h 27m
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.
Mostly Sunny leaving Delaware 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 Delaware to Union?
The road trip is about 61.5 miles (99 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?
Mine Hill is a useful midpoint, sitting about 28.5 miles from Delaware and 33.1 miles from Union.
How much longer is the road route than the straight-line distance?
The direct path is about 44.1 miles (70.9 km), while the road route adds roughly 17.4 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 4:24 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $8.87 one way or $17.73 round trip. Estimated CO2 is about 19.3 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Delaware and Mostly Sunny near Union.
Stop Ideas Near Mine Hill
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 Mine Hill.
Newark Liberty International Airport
Pennsylvania Station
Metropark station
New Brunswick station
Flight Path Map
This map shows the direct air route between Delaware and Union. Straight-line distance: 44.04 mi (70.87 km).
#1 Delaware
Census-designated place in Warren County, New Jersey, United States
| Population | 4,409 |
| Coordinates | 40.8928800, -75.0646200 |
| Altitude | 91 |
| 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: 99 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 03m |
| 40 mph (64.37 km/h) | 01h 32m |
| 50 mph (80.47 km/h) | 01h 13m |
| 60 mph (96.56 km/h) | 01h 01m |
| 70 mph (112.65 km/h) | 00h 52m |
| 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 | $8.87 | $17.73 |
| Mid-grade | $4.60 | $9.98 | $19.96 |
| Premium | $4.95 | $10.75 | $21.50 |
| Diesel | $5.98 | $12.98 | $25.95 |
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.