How far is Union, NJ from Plainfield, NJ?
The driving distance from Union, NJ to Plainfield, NJ is about 10.6 miles (17 km), with a travel time of about 00h 22m by car.
- The straight-line flight distance is about 8.8 miles (14.1 km).
- For a round trip, plan for roughly 00h 44m 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 22m.
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.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Union and Plainfield.
Turn-by-Turn Driving Directions
Step-by-step road directions between Union and Plainfield.
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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
-
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
8.9 mi · 14 min
-
11
Take the exit straight
129 m · 14 sec
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12
Turn left
123 m · 15 sec
-
13
Turn straight onto Mountain Avenue
621 ft · 23 sec · Mountain Avenue
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14
Turn left onto Leland Avenue
1 km · 2 min · Leland Avenue
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15
Arrive at your destination
0 m · 1 sec · Leland Avenue
Car Route Details
A richer read on the saved driving route between Union and Plainfield.
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
8.87 mi · 00h 15m
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 near Union.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Union to Plainfield?
The road trip is about 10.6 miles (17 km) and usually takes 00h 22m 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?
Mountainside is a useful midpoint, sitting about 5.2 miles from Union and 5.3 miles from Plainfield.
How much longer is the road route than the straight-line distance?
The direct path is about 8.8 miles (14.1 km), while the road route adds roughly 1.8 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 7:46 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $1.51 one way or $3.02 round trip. Estimated CO2 is about 3.3 kg one way.
What should you check before leaving?
Before leaving, the latest forecast around Union is Mostly Sunny.
Stop Ideas Near Mountainside
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 Mountainside.
Metropark station
Newark Liberty International Airport
Pennsylvania Station
New Brunswick station
Flight Path Map
This map shows the direct air route between Union and Plainfield. Straight-line distance: 8.75 mi (14.08 km).
#1 Union
A city in Union County, New Jersey.
| Population | 67,137 |
| Coordinates | 40.6976000, -74.2632000 |
| Altitude | 30 |
| Country | United States |
#2 Plainfield
A city in Union County, New Jersey.
| Population | 50,011 |
| Coordinates | 40.6337100, -74.4073700 |
| Altitude | 34 |
| Country | United States |
End: Leland Avenue (-74.40741, 40.633666)
Estimated Travel Time
Distance: 17 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 21m |
| 40 mph (64.37 km/h) | 00h 15m |
| 50 mph (80.47 km/h) | 00h 12m |
| 60 mph (96.56 km/h) | 00h 10m |
| 70 mph (112.65 km/h) | 00h 09m |
| 80 mph (129 km/h) | 00h 07m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $1.51 | $3.02 |
| Mid-grade | $4.60 | $1.70 | $3.40 |
| Premium | $4.95 | $1.83 | $3.67 |
| Diesel | $5.98 | $2.21 | $4.43 |
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 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.