How far is South River, NJ from Trenton, NJ?
The driving distance from South River, NJ to Trenton, NJ is about 37.4 miles (60.2 km), with a travel time of about 00h 42m by car.
- The straight-line flight distance is about 24.6 miles (39.6 km).
- For a round trip, plan for roughly 01h 25m 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 42m.
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.
Census-designated place in South Brunswick Township, Middlesex County, New Jersey, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between South River and Trenton.
Turn-by-Turn Driving Directions
Step-by-step road directions between South River and Trenton.
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1
Start on Main Street
2013 ft · 36 sec · Main Street
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2
Turn right onto Hillside Avenue
111 m · 12 sec · Hillside Avenue
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3
Continue on Milltown Road
137 m · 12 sec · Milltown Road
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4
Take the ramp straight
89 m · 12 sec
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5
Keep slight right
916 ft · 25 sec
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6
Merge slight left onto State Route 18
3.2 mi · 5 min · State Route 18
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7
Take the exit slight right toward US 1 South: Princeton, Trenton
1887 ft · 2 min
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8
Merge slight left
2.4 mi · 3 min
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9
Continue straight
634 ft · 10 sec
-
10
Keep slight left
84 m · 4 sec
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11
Keep slight left
118 m · 6 sec
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12
Keep slight left
3.6 mi · 5 min
-
13
Continue straight
13.9 mi · 20 min
-
14
Take the exit slight right
975 ft · 15 sec
-
15
Keep slight left
2012 ft · 31 sec
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16
Merge slight left onto Brunswick Pike
1.4 km · 1 min · Brunswick Pike
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17
Continue on Trenton Freeway
3 mi · 4 min · Trenton Freeway
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18
Take the exit slight right toward Olden Avenue, New York Avenue
145 m · 14 sec
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19
At the end of the road, turn left onto New York Avenue
147 m · 14 sec · New York Avenue
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20
Turn left onto North Olden Avenue
1.4 mi · 3 min · North Olden Avenue
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21
Turn right onto Hamilton Avenue
2992 ft · 1 min · Hamilton Avenue
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22
Turn right onto Chambers Street
2 m · 1 sec · Chambers Street
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23
Arrive at your destination
0 m · 1 sec · Chambers Street
Car Route Details
A richer read on the saved driving route between South River and Trenton.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
US 1 South
Continue straight
13.9 mi · 00h 20m
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.
Chance Rain Showers leaving South River and Chance Showers And Thunderstorms near Trenton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from South River to Trenton?
The road trip is about 37.4 miles (60.2 km) and usually takes 00h 42m 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?
Heathcote is a useful midpoint, sitting about 15.5 miles from South River and 21.9 miles from Trenton.
How much longer is the road route than the straight-line distance?
The direct path is about 24.6 miles (39.6 km), while the road route adds roughly 12.8 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 7:04 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.39 one way or $10.79 round trip. Estimated CO2 is about 11.7 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around South River and Chance Showers And Thunderstorms near Trenton.
Stop Ideas Near Heathcote
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 Heathcote.
Princeton Junction station
New Brunswick station
Trenton Transit Center
Metropark station
Flight Path Map
This map shows the direct air route between South River and Trenton. Straight-line distance: 24.59 mi (39.58 km).
#1 South River
Borough in Middlesex County, New Jersey
| Population | 15,624 |
| Coordinates | 40.4464900, -74.3859800 |
| Altitude | 25 |
| Country | United States |
#2 Trenton
The capital of New Jersey.
| Population | 82,957 |
| Coordinates | 40.2170500, -74.7429400 |
| Altitude | 17 |
| Country | United States |
End: Hamilton Avenue (-74.742936, 40.217034)
Estimated Travel Time
Distance: 60 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 14m |
| 40 mph (64.37 km/h) | 00h 56m |
| 50 mph (80.47 km/h) | 00h 44m |
| 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 | $5.39 | $10.79 |
| Mid-grade | $4.60 | $6.07 | $12.14 |
| Premium | $4.95 | $6.54 | $13.08 |
| Diesel | $5.98 | $7.89 | $15.79 |
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 17, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.