How far is Trenton, NJ from Montgomery, NJ?
The driving distance from Trenton, NJ to Montgomery, NJ is about 24.5 miles (39.4 km), with a travel time of about 00h 44m by car.
- The straight-line flight distance is about 18.1 miles (29.1 km).
- For a round trip, plan for roughly 01h 29m 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 44m.
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.
Borough of New Jersey
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Trenton and Montgomery.
Turn-by-Turn Driving Directions
Step-by-step road directions between Trenton and Montgomery.
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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
4.1 mi · 5 min
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6
Take the exit slight right toward Princeton Pike, Princeton
1373 ft · 36 sec
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7
Turn straight onto Princeton Pike
1.3 mi · 2 min · Princeton Pike
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8
Turn left onto Fackler Road
1.3 km · 2 min · Fackler Road
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9
Merge slight right onto Lawrenceville Road
79 m · 9 sec · Lawrenceville Road
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10
Turn right onto Carter Road
6.1 mi · 10 min · Carter Road
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11
Continue on Princeton Avenue
1157 ft · 44 sec · Princeton Avenue
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12
Turn left onto Columbia Avenue
1022 ft · 35 sec · Columbia Avenue
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13
Continue on South Greenwood Avenue
2454 ft · 1 min · South Greenwood Avenue
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14
Continue on Hopewell-Wertsville Road
2.1 mi · 4 min · Hopewell-Wertsville Road
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15
Continue on Rileyville Road
2 mi · 3 min · Rileyville Road
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16
At the end of the road, turn right onto Wertsville Road
3.7 mi · 9 min · Wertsville Road
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17
Turn left onto Montgomery Road
16 m · 2 sec · Montgomery Road
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18
Arrive at your destination
0 m · 1 sec · Montgomery Road
Car Route Details
A richer read on the saved driving route between Trenton and Montgomery.
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.
Carter Road
Turn right onto Carter Road
6.13 mi · 00h 10m
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 Cloudy leaving Trenton and Mostly Cloudy near Montgomery.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Trenton to Montgomery?
The road trip is about 24.5 miles (39.4 km) and usually takes 00h 44m 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?
Pennington is a useful midpoint, sitting about 12.2 miles from Trenton and 12.2 miles from Montgomery.
How much longer is the road route than the straight-line distance?
The direct path is about 18.1 miles (29.1 km), while the road route adds roughly 6.4 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 7:00 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.51 one way or $7.03 round trip. Estimated CO2 is about 7.6 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Trenton and Mostly Cloudy near Montgomery.
Stop Ideas Near Pennington
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Old City Hall
Trenton City Hall
Trenton Health & Human Services
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Pennington.
Trenton Transit Center
Princeton Junction station
Cornwells Heights
New Brunswick station
Flight Path Map
This map shows the direct air route between Trenton and Montgomery. Straight-line distance: 18.07 mi (29.08 km).
#1 Trenton
The capital of New Jersey.
| Population | 82,957 |
| Coordinates | 40.2170500, -74.7429400 |
| Altitude | 17 |
| Country | United States |
#2 Montgomery
Township in Somerset County, New Jersey
| Population | 23,094 |
| Coordinates | 40.4784400, -74.7537700 |
| Altitude | 38 |
| Country | United States |
End: Montgomery (-74.75377, 40.47844)
Estimated Travel Time
Distance: 39 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 48m |
| 40 mph (64.37 km/h) | 00h 36m |
| 50 mph (80.47 km/h) | 00h 29m |
| 60 mph (96.56 km/h) | 00h 24m |
| 70 mph (112.65 km/h) | 00h 20m |
| 80 mph (129 km/h) | 00h 18m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $3.51 | $7.03 |
| Mid-grade | $4.60 | $3.96 | $7.91 |
| Premium | $4.95 | $4.26 | $8.52 |
| Diesel | $5.98 | $5.14 | $10.29 |
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 26, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.