How far is Flemington, NJ from Trenton, NJ?
The driving distance from Flemington, NJ to Trenton, NJ is about 26.3 miles (42.4 km), with a travel time of about 00h 43m by car.
- The straight-line flight distance is about 21.3 miles (34.3 km).
- For a round trip, plan for roughly 01h 27m 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 43m.
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.
Township in Mercer County, New Jersey
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Flemington and Trenton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Flemington and Trenton.
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1
Start on the route
15 m · 6 sec
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2
Turn right onto Main Street
1.2 km · 2 min · Main Street
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3
Enter the roundabout and take exit 3 toward Reaville Avenue
555 ft · 11 sec · Reaville Avenue
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4
Exit the roundabout onto Reaville Avenue
986 ft · 31 sec · Reaville Avenue
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5
Turn right
5.5 mi · 8 min
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6
Take the exit slight right toward NJ 31 South, CR 579 South: Trenton
10.3 mi · 17 min
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7
Enter the roundabout and take exit 2 toward Pennington Road
158 m · 10 sec · Pennington Road
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8
Exit the rotary onto Pennington Road
4.2 mi · 8 min · Pennington Road
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9
Turn left onto Olden Avenue
3.2 mi · 6 min · Olden Avenue
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10
Turn right onto Hamilton Avenue
2992 ft · 1 min · Hamilton Avenue
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11
Turn right onto Chambers Street
2 m · 1 sec · Chambers Street
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12
Arrive at your destination
0 m · 1 sec · Chambers Street
Car Route Details
A richer read on the saved driving route between Flemington and Trenton.
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.
NJ 31 South
Take the exit slight right toward NJ 31 South, CR 579 South: Trenton
10.3 mi · 00h 17m
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 Flemington and Chance Rain Showers near Trenton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Flemington to Trenton?
The road trip is about 26.3 miles (42.4 km) and usually takes 00h 43m 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?
Hopewell is a useful midpoint, sitting about 12.5 miles from Flemington and 13.9 miles from Trenton.
How much longer is the road route than the straight-line distance?
The direct path is about 21.3 miles (34.3 km), while the road route adds roughly 5 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 7:02 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.80 one way or $7.60 round trip. Estimated CO2 is about 8.3 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Flemington and Chance Rain Showers near Trenton.
Stop Ideas Near Hopewell
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 Hopewell.
Princeton Junction station
Trenton Transit Center
New Brunswick station
Cornwells Heights
Flight Path Map
This map shows the direct air route between Flemington and Trenton. Straight-line distance: 21.3 mi (34.28 km).
#1 Flemington
Borough in Hunterdon County, New Jersey, United States
| Population | 4,552 |
| Coordinates | 40.5123300, -74.8593300 |
| Altitude | 53 |
| Country | United States |
#2 Trenton
The capital of New Jersey.
| Population | 82,957 |
| Coordinates | 40.2170500, -74.7429400 |
| Altitude | 17 |
| Country | United States |
End: Chambers Street (-74.742936, 40.217034)
Estimated Travel Time
Distance: 42 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 52m |
| 40 mph (64.37 km/h) | 00h 39m |
| 50 mph (80.47 km/h) | 00h 31m |
| 60 mph (96.56 km/h) | 00h 26m |
| 70 mph (112.65 km/h) | 00h 22m |
| 80 mph (129 km/h) | 00h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $3.80 | $7.60 |
| Mid-grade | $4.60 | $4.28 | $8.55 |
| Premium | $4.95 | $4.61 | $9.21 |
| Diesel | $5.98 | $5.56 | $11.12 |
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 22, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.