How far is Union, NJ from Dunellen, NJ?
The driving distance from Union, NJ to Dunellen, NJ is about 15.2 miles (24.4 km), with a travel time of about 00h 27m by car.
- The straight-line flight distance is about 13.2 miles (21.3 km).
- For a round trip, plan for roughly 00h 55m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 27m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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 Union County, New Jersey, United States
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 Union and Dunellen.
Turn-by-Turn Driving Directions
Step-by-step road directions between Union and Dunellen.
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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
86 m · 16 sec · Vauxhall Road
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3
Turn left onto Adams Avenue
617 ft · 29 sec · Adams Avenue
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4
Turn right onto Morris Avenue
560 ft · 23 sec · Morris Avenue
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5
Turn left onto Burke Parkway
150 m · 24 sec · Burke Parkway
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6
Keep slight left to continue on Burke Parkway
137 m · 20 sec · Burke Parkway
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7
Turn right onto Legion Drive
94 m · 21 sec · Legion Drive
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8
At the end of the road, turn left onto Rosemont Avenue North
100 m · 15 sec · Rosemont Avenue North
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9
Take the ramp right
44 m · 6 sec
-
10
Merge slight left
13 mi · 21 min
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11
Take the exit slight right
117 m · 11 sec
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12
Turn left
31 m · 6 sec
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13
Turn left onto Washington Avenue
1.5 km · 2 min · Washington Avenue
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14
Turn right onto Dunellen Avenue
2498 ft · 2 min · Dunellen Avenue
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15
Arrive at your destination
0 m · 1 sec · Dunellen Avenue
Car Route Details
A richer read on the saved driving route between Union and Dunellen.
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.
Rosemont Avenue North
Merge slight left
13 mi · 00h 21m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Mostly Sunny leaving Union and Mostly Sunny near Dunellen.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Union to Dunellen?
The road trip is about 15.2 miles (24.4 km) and usually takes 00h 27m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Scotch Plains is a useful midpoint, sitting about 7.6 miles from Union and 7.6 miles from Dunellen.
How much longer is the road route than the straight-line distance?
The direct path is about 13.2 miles (21.3 km), while the road route adds roughly 2 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:34 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.17 one way or $4.33 round trip. Estimated CO2 is about 4.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Union and Mostly Sunny near Dunellen.
Stop Ideas Near Scotch Plains
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
West Orange Town Hall
City of Elizabeth
Bloomfield Municipal Building
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Scotch Plains.
Metropark station
Newark Liberty International Airport
New Brunswick station
Pennsylvania Station
Flight Path Map
This map shows the direct air route between Union and Dunellen. Straight-line distance: 13.25 mi (21.33 km).
#1 Union
A city in Union County, New Jersey.
| Population | 67,137 |
| Coordinates | 40.6976000, -74.2632000 |
| Altitude | 30 |
| Country | United States |
#2 Dunellen
Borough in Middlesex County, New Jersey
| Population | 7,141 |
| Coordinates | 40.5892700, -74.4718200 |
| Altitude | 14 |
| Country | United States |
End: Dunellen (-74.47182, 40.58927)
Estimated Travel Time
Distance: 24 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 30m |
| 40 mph (64.37 km/h) | 00h 22m |
| 50 mph (80.47 km/h) | 00h 18m |
| 60 mph (96.56 km/h) | 00h 15m |
| 70 mph (112.65 km/h) | 00h 12m |
| 80 mph (129 km/h) | 00h 11m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $2.17 | $4.33 |
| Mid-grade | $4.60 | $2.44 | $4.87 |
| Premium | $4.95 | $2.63 | $5.25 |
| Diesel | $5.98 | $3.17 | $6.34 |
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.