How far is South Old Bridge, NJ from Trenton, NJ?
The driving distance from South Old Bridge, NJ to Trenton, NJ is about 40.1 miles (64.6 km), with a travel time of about 00h 48m by car.
- The straight-line flight distance is about 24.4 miles (39.2 km).
- For a round trip, plan for roughly 01h 37m 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 48m.
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.
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.
Sunny
Sunny
Driving Route Map
The map below follows the saved road route between South Old Bridge and Trenton.
Turn-by-Turn Driving Directions
Step-by-step road directions between South Old Bridge and Trenton.
-
1
Start on Southwood Drive
25 m · 7 sec · Southwood Drive
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2
Turn left onto Ridge Road
961 ft · 51 sec · Ridge Road
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3
At the end of the road, turn left onto Old Bridge-Matawan Road
86 m · 8 sec · Old Bridge-Matawan Road
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4
Continue on Old Bridge-Englishtown Road
114 m · 10 sec · Old Bridge-Englishtown Road
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5
Take the ramp slight right
1265 ft · 35 sec
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6
Merge slight left onto State Route 18
6.1 mi · 8 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
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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
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13
Continue straight
13.9 mi · 20 min
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14
Take the exit slight right
975 ft · 15 sec
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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 Old Bridge 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 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 South Old Bridge and Sunny near Trenton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from South Old Bridge to Trenton?
The road trip is about 40.1 miles (64.6 km) and usually takes 00h 48m 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?
Heathcote is a useful midpoint, sitting about 16.8 miles from South Old Bridge and 23.3 miles from Trenton.
How much longer is the road route than the straight-line distance?
The direct path is about 24.4 miles (39.2 km), while the road route adds roughly 15.7 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 4:52 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.80 one way or $11.60 round trip. Estimated CO2 is about 12.6 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around South Old Bridge and Sunny 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 Old Bridge and Trenton. Straight-line distance: 24.36 mi (39.21 km).
#1 South Old Bridge
City in Middlesex County, New Jersey, United States of America
| Population | 23,233 |
| Coordinates | 40.4081600, -74.3543200 |
| Altitude | 8 |
| 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: 65 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 20m |
| 40 mph (64.37 km/h) | 01h 00m |
| 50 mph (80.47 km/h) | 00h 48m |
| 60 mph (96.56 km/h) | 00h 40m |
| 70 mph (112.65 km/h) | 00h 34m |
| 80 mph (129 km/h) | 00h 30m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $5.80 | $11.60 |
| Mid-grade | $4.60 | $6.53 | $13.06 |
| Premium | $4.95 | $7.03 | $14.07 |
| Diesel | $5.98 | $8.49 | $16.98 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.