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Trip from Flemington, NJ to Trenton, NJ

Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards

Drive Time

42m

Distance

24.9 mi

40 km

Drive Score

8/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$4

one way

EV Charging

Unknown

Best Time to Leave

Save up to 11 min
4 AM
0h 39m ★
6 AM
0h 43m
8 AM
0h 50m
10 AM
0h 45m
12 PM
0h 44m
3 PM
0h 46m
5 PM
0h 49m
8 PM
0h 41m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

borough in Hunterdon County, New Jersey, United States

Flemington, NJ

Wikimedia Commons

Downtown Trenton, NJ, NJ

Trenton, NJ

Wikimedia Commons

Trip Overview

If you are looking for a straightforward, short-distance trip within the Northeast, the 26.4-mile trek from Flemington to Trenton is an efficient option. You can expect to spend about 43 minutes behind the wheel, making this a perfect candidate for a single-day journey. Because the route is so compact, there is no need to worry about overnight accommodations or complicated logistics. You will only need to budget approximately $4 for fuel, keeping your travel costs exceptionally low. Since both towns are located within New Jersey, you will remain in the same region throughout the entire drive. It is a practical, no-nonsense connection that gets you from point A to point B without any unnecessary hassle.

Main Roads

Road Distance Duration
NJ 31 10.3 mi 16m
US 202 5.5 mi 8m
Pennington Road 4.3 mi 8m
Olden Avenue 3.2 mi 6m
Main Street 0.7 mi 1m
Hamilton Avenue 0.6 mi 1m
Reaville Avenue 0.3 mi <1m
Chambers Street <0.1 mi

Some road-level metrics are being recalculated.

Longest stretch: NJ 31 — 10.3 mi, about 16m

Turn-by-Turn Driving Directions

Step-by-step road directions between Flemington, NJ and Trenton, NJ.

1

Start on this road

50 ft · 6 sec · this road
2

Turn right onto Main Street

0.7 mi · 1 min · Main Street
3

Enter roundabout onto Reaville Avenue

0.1 mi · 11 sec · Reaville Avenue
4

Continue on Reaville Avenue

0.2 mi · 31 sec · Reaville Avenue
5

Turn right onto US 202; NJ 31

5.5 mi · 8 min · US 202; NJ 31
6

Take the exit onto NJ 31

10 mi · 16 min · NJ 31
Toward NJ 31 South, CR 579 South: Trenton Use the slight right lane.
7

Enter roundabout onto NJ 31

517 ft · 9 sec · Pennington Road
8

Continue on NJ 31

4.2 mi · 8 min · Pennington Road
9

Turn left onto CR 622

3.2 mi · 6 min · Olden Avenue
Use the straight lane.
10

Turn right onto CR 606

0.6 mi · 1 min · Hamilton Avenue
11

Turn right onto CR 626

6 ft · 0 sec · Chambers Street
12

Arrive at destination

CR 626

Heads-up: tricky spots

5 of 8

5 decision points cluster between mile 0 and 21.2 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.

4
0 mi into trip | ~0m in | Main Street

Turn right onto Main Street

Navigation decision point

4
0.7 mi into trip | ~2m in | Reaville Avenue

Enter roundabout onto Reaville Avenue

Roundabout - know your exit number before entering

4
1 mi into trip | ~2m in | US 202; NJ 31

Turn right onto US 202; NJ 31

Navigation decision point

7
6.5 mi into trip | ~10m in | NJ 31

Take the exit onto NJ 31 toward NJ 31 South, CR 579 South: Trenton

Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one

Use the slight right lane. Toward NJ 31 South, CR 579 South: Trenton
5
21.2 mi into trip | ~35m in | CR 622 / Olden Avenue

Turn left onto CR 622 / Olden Avenue

Lane positioning matters here

Use the straight lane.

Fuel & Cost

Regular Gas

$4.13 one way

$8.26 round trip

$4.21/gal 25.4 MPG avg 9 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.61 $4.52 $9.04
premium $4.93 $4.83 $9.66
diesel $5.61 $5.50 $11.00

No toll roads detected on this route.

Drive Cost (one way)

Fuel

$4

Estimated CO2 emission: 8.7 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $3 in charging · 0 stops · 67% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 7.5 0 $2.61 $1.20
Efficient EV 6.2 0 $2.18 $1.00
EV Truck/SUV 10 0 $3.49 $1.59

Gas CO2

9 kg

EV CO2

3 kg (67% less)

This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.

DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.

Travel Intel

Current conditions at both ends of the drive.

Forecast as of Apr 15, 2026

Origin

Flemington, NJ

Morning in Flemington on Sunday

Local time

6:00 AM

EDT

Current temp

54°F

Unavailable

Live forecast

Destination

Trenton, NJ

Morning in Trenton on Sunday

Local time

6:00 AM

EDT

Current temp

58°F

Unavailable

Live forecast

Time zone

Same local time

Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.

Temperature spread

4 degrees warmer at arrival

A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.

Road read

42m on the road

Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.

Weather data from the National Weather Service. Conditions may change; check closer to your travel date.

What kind of drive is this?

Expect a turn-heavy local drive rather than a high-speed interstate cruise. You will navigate a series of local roads, starting on Main Street and Reaville Avenue before transitioning onto NJ 31 South. With a highway share of 0%, this route stays entirely on smaller, local thoroughfares, which means you should be prepared for frequent turns and steady pacing. Because there are no long, uninterrupted highway stretches, you will stay engaged with the road from Flemington all the way to the state capital. The experience is defined by local traffic patterns rather than the monotonous rhythm of a major freeway.

63% highway — fuel and pacing are the main things to plan.
12 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 10.3 mi on NJ 31.

How Hard Is This Drive?

4/10

This is a straightforward highway drive that stays mostly on NJ 31 and US 202. There are only a few real navigation decisions along the way. The trickiest moment comes early in the drive near Main Street.

Driving Effort 4/10

Easy - simple navigation with a manageable amount of wheel time

Balances navigation complexity with total wheel time.

This is a straightforward 42m drive. You will face about 8 decision points, but nothing that requires special attention if you follow navigation.

Where does it get tricky?

The main spots that need attention: near the start (Main Street): Navigation decision point; at 0.7 miles (Reaville Avenue): Roundabout - know your exit number before entering; at 1 miles (US 202; NJ 31): Navigation decision point.

Towns Mentioned on Route Signs

Based on OSRM destination-sign hints, not a full list of every settlement the road passes.

On the drive from Flemington, NJ to Trenton, NJ, road signs begin pointing toward Cr 579 South: Trenton along the way.

Cr 579 South: Trenton

6.5 mi in | ~10m | via NJ 31

About the Cities

Arriving in Trenton, NJ

Full guide →

Trenton is in Mercer County, and is the capital of New Jersey. The city's strategic location in between New York City and Philadelphia has historically contributed to its growth and significantly impacts local culture. Located on the Delaware River across from Pennsylvania, Trenton is the only accessible capital city in the United States to border another state.

City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 42m. Total distance: 24.9 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

42m drive, comfortable solo distance.

EV Driver

0 DC fast chargers along the route. Coverage: unknown.

First-Time Driver

Mostly highway driving (63%). Straightforward navigation.

Frequently Asked Questions

The longest stretch is about 10.3 miles on NJ 31. The full list of main roads is in the Roads section above.

Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.

The main spots that need attention: near the start (Main Street): Navigation decision point; at 0.7 miles (Reaville Avenue): Roundabout - know your exit number before entering; at 1 miles (US 202; NJ 31): Navigation decision point.

Yes. A round trip is manageable in a single day if you plan a break at Trenton, NJ before heading back.

How this page is built

Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, and EIA for fuel prices. See our methodology for refresh cadence and limitations.

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