How far is Trenton, NJ from South Plainfield, NJ?
The driving distance from Trenton, NJ to South Plainfield, NJ is about 37.8 miles (60.8 km), with a travel time of about 00h 55m by car.
- The straight-line flight distance is about 30.5 miles (49.1 km).
- For a round trip, plan for roughly 01h 51m 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 55m.
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.
Populated area in South Brunswick, New Jersey
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 Trenton and South Plainfield.
Turn-by-Turn Driving Directions
Step-by-step road directions between Trenton and South Plainfield.
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1
Start on Chambers Street
2 m · 6 sec · Chambers Street
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2
Turn left onto Hamilton Avenue
2.5 mi · 5 min · Hamilton Avenue
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3
Take the ramp slight right toward I 295 North
1791 ft · 23 sec
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4
Keep slight left to continue on I 295 North
1320 ft · 17 sec
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5
Merge slight left
2.9 mi · 3 min
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6
Take the exit slight right toward US 1: New Brunswick, Trenton
1116 ft · 15 sec
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7
Keep slight right to continue on US 1 North: New Brunswick
2872 ft · 1 min
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8
Merge slight left onto Brunswick Pike
17.1 mi · 24 min · Brunswick Pike
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9
Keep slight left
603 ft · 9 sec
-
10
Keep slight left to continue on Newark|Newark, Camden, New Brunswick|Newark, Camden, New Brunswick
154 m · 8 sec
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11
Keep slight left
112 m · 6 sec
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12
Keep slight left
2.7 mi · 4 min
-
13
Continue straight
1.6 km · 1 min
-
14
Continue straight
969 ft · 17 sec
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15
Continue straight
1162 ft · 20 sec
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16
Continue straight
3.5 mi · 5 min
-
17
Take the exit slight right toward I 287 North: Morristown, Mahwah
1276 ft · 36 sec
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18
Merge slight left
3.5 mi · 4 min
-
19
Take the exit slight right toward Durham Avenue, South Plainfield
1444 ft · 39 sec
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20
Turn right onto Durham Avenue
2403 ft · 52 sec · Durham Avenue
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21
Continue on Hamilton Boulevard
1.3 mi · 2 min · Hamilton Boulevard
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22
Continue on Lakeview Avenue
1176 ft · 26 sec · Lakeview Avenue
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23
Turn right onto Church Street
102 m · 17 sec · Church Street
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24
Turn right onto Hamilton Boulevard
122 m · 23 sec · Hamilton Boulevard
-
25
Turn left onto South Plainfield Avenue
59 m · 8 sec · South Plainfield Avenue
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26
Arrive at your destination
0 m · 1 sec · South Plainfield Avenue
Car Route Details
A richer read on the saved driving route between Trenton and South 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.
Brunswick Pike
Merge slight left onto Brunswick Pike
17.1 mi · 00h 24m
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.
Sunny leaving Trenton and Mostly Sunny near South Plainfield.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Trenton to South Plainfield?
The road trip is about 37.8 miles (60.8 km) and usually takes 00h 55m 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?
Kendall Park is a useful midpoint, sitting about 18.9 miles from Trenton and 18.9 miles from South Plainfield.
How much longer is the road route than the straight-line distance?
The direct path is about 30.5 miles (49.1 km), while the road route adds roughly 7.3 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 4:38 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.43 one way or $10.87 round trip. Estimated CO2 is about 11.8 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Trenton and Mostly Sunny near South Plainfield.
Stop Ideas Near Kendall Park
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 Kendall Park.
Princeton Junction station
New Brunswick station
Metropark station
Trenton Transit Center
Flight Path Map
This map shows the direct air route between Trenton and South Plainfield. Straight-line distance: 30.5 mi (49.09 km).
#1 Trenton
The capital of New Jersey.
| Population | 82,957 |
| Coordinates | 40.2170500, -74.7429400 |
| Altitude | 17 |
| Country | United States |
#2 South Plainfield
Borough in Middlesex County, New Jersey
| Population | 23,965 |
| Coordinates | 40.5792700, -74.4115400 |
| Altitude | 18 |
| Country | United States |
End: South Plainfield (-74.41154, 40.57927)
Estimated Travel Time
Distance: 61 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 15m |
| 40 mph (64.37 km/h) | 00h 56m |
| 50 mph (80.47 km/h) | 00h 45m |
| 60 mph (96.56 km/h) | 00h 37m |
| 70 mph (112.65 km/h) | 00h 32m |
| 80 mph (129 km/h) | 00h 28m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $5.43 | $10.87 |
| Mid-grade | $4.60 | $6.12 | $12.23 |
| Premium | $4.95 | $6.59 | $13.18 |
| Diesel | $5.98 | $7.95 | $15.91 |
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 · May 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.