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Trip from Trenton, NJ to Hardwick, NJ

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Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Sep 2, 2026 · Editorial standards

Drive Time

2h

Distance

71.2 mi

115 km

Drive Score

9/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$12

one way

EV Charging

Unknown

Best Time to Leave

Save up to 26 min
4 AM
1h 52m ★
6 AM
2h 1m
8 AM
2h 18m
10 AM
2h 7m
12 PM
2h 5m
3 PM
2h 7m
5 PM
2h 17m
8 PM
1h 55m

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

Best Time
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Downtown Trenton, NJ, NJ

Trenton, NJ

Wikimedia Commons

Downtown Hardwick, NJ, NJ

Hardwick, NJ

James Kampeis

Trip Overview

The drive from Trenton, NJ to Hardwick, NJ covers 71.2 miles and takes about 2h behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.

The route leans on NJ 31, Hope Road, Pennington Road for much of the mileage, and the overall profile is mostly highway. The longest uninterrupted segment is about 42.9 miles on NJ 31. At current regular gas prices, budget about $11.90 one way before food or hotel costs.

Trip Pace

Same-day drive is realistic

A same-day return is realistic if you keep stops short.

Midpoint

35.6 miles from Trenton, NJ

A natural place for your longest stop of the day , about 57m into the drive .

Main Roads

Road Distance Duration
NJ 31 42.9 mi 1h 4m
Hope Road 4.5 mi 7m
Pennington Road 4.2 mi 8m
Millbrook Road 3.6 mi 6m
South Olden Avenue 3.2 mi 5m
North Bridgeville Road 2.9 mi 4m
Hope - Bridgeville Road 2.5 mi 4m
Hope - Blairstown Road 2.2 mi 4m
Longest stretch: NJ 31 — 42.9 mi, about 1h 4m

Turn-by-Turn Driving Directions

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

1

Start on CR 626

6 ft · 6 sec · Chambers Street
2

Turn left onto CR 606

0.6 mi · 1 min · Hamilton Avenue
3

Turn left onto CR 622

3.2 mi · 5 min · South Olden Avenue
Use the straight / right lanes.
4

Turn right onto NJ 31

4.2 mi · 8 min · Pennington Road
5

Enter roundabout onto NJ 31

0.1 mi · 12 sec · NJ 31
6

Continue on NJ 31

10.0 mi · 15 min · NJ 31
7

Take the exit onto NJ 31

5.6 mi · 8 min · NJ 31
Toward NJ 31 North, US 202 North: Flemington Use the slight right lane.
8

Keep slight left at fork onto NJ 31

427 ft · 5 sec · NJ 31
9

Enter roundabout onto NJ 31

0.1 mi · 7 sec · NJ 31
10

Continue on NJ 31

27 mi · 39 min · NJ 31
Use the straight lane.
11

At end of road, turn left onto US 46

1.4 mi · 2 min · US 46
12

Turn right onto CR 519

2.9 mi · 4 min · North Bridgeville Road
13

Continue on CR 519

1.0 mi · 1 min · Hope Road
14

Turn straight onto CR 519

2.5 mi · 4 min · Hope - Bridgeville Road
15

Continue on CR 521

2.2 mi · 4 min · Hope - Blairstown Road
16

Continue on CR 521

0.4 mi · 42 sec · Hope - Blairstorm Road
17

Continue on CR 521

3.5 mi · 6 min · Hope Road
18

At end of road, turn left onto NJ 94; CR 521

0.3 mi · 33 sec · NJ 94; CR 521
19

Continue on CR 521

83 ft · 2 sec · Stillwater Road
20

Continue on CR 602

0.2 mi · 44 sec · Bridge Street
21

At end of road, turn right onto CR 602

208 ft · 5 sec · High Street
22

Turn slight left onto CR 602

3.6 mi · 6 min · Millbrook Road
23

Turn right onto Birch Ridge Road

0.6 mi · 2 min · Birch Ridge Road
24

Turn left onto Shannon Road

1.4 mi · 5 min · Shannon Road
25

Continue on Sand Pond Road

0.3 mi · 1 min · Sand Pond Road
26

Turn slight right

326 ft · 23 sec
27

Arrive at destination

Trip Plan

Morning Departure

Leave by 9 AM and you'll arrive before lunch.

Evening Departure

Even a 4 PM departure gets you there before dark in summer.

You can normally do this drive in one day.
You may only need one short stretch break if traffic stays light.
The halfway point lands around 35.6 miles from Trenton, NJ, or about 57m into the drive.
The longest continuous stretch on this route runs about 42.9 miles.

This is a comfortable same-day trip.

Departure

Before you leave

Start with fuel, water, and navigation already sorted so the first hour feels easy.

First stop

Around 16 miles or 28m in

Use this first pause for coffee, a restroom break, and a quick traffic check ahead.

Halfway reset

Around 35.6 miles or 57m in

This is the best place for your longest stop, a real meal, and a full fuel check.

Final approach

Final hour starts around 1h 35m

Traffic, exits, and arrival timing usually matter more near Hardwick, NJ than in the middle of the route.

Before You Leave

+

Open the route before leaving Trenton, NJ so your first major turns are already loaded.

+

Leave with enough water and a charging cable within reach, not packed away.

+

Check your fuel range against the first long segment, especially if you are starting outside city service areas.

Day 1

Settle into the route from Trenton, NJ

This is one driving day of about 71.2 miles and 2h.

Your first comfortable stop window is around 16 miles from Trenton, NJ.
This route can stay practical as a one-day drive if traffic stays reasonable.
The longest stretch is on NJ 31 for about 42.9 miles.

Where to Stop

Rest stops, refuel points, and overnight suggestions along this route.

Downtown Clinton, NJ, NJ

Mid-route town

Meal stop

Clinton, NJ

36 mi into the route

Best for: Lunch, fuel, and a longer reset

This sits close to the middle of the route, so it works well for the longest stop of the day.

Pacing Suggestions

Morrisville, PA

Fuel and coffee

A short stop after about 16 miles helps settle the day before fatigue starts building.

Clinton, NJ

Meal break

The midpoint is around 35.6 miles from Trenton, NJ, which is a good place for a longer meal and fuel stop.

These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.

Stops Along Your Drive

Picked by where they fit in your drive — first break, midpoint reset, final stretch.

Best meal stop · first break window

BORO Restaurant | Bar

4.5 ★ ★ ★ ★ ★

Pennington, New Jersey

Near the start, right off the route

First break · 17min in 0.5 mi from route ~1 min detour Moderately

Hours: 9:30 am–9 pm

+16097304100

Visit website

Bistro 55 mediterranean restaurant

4.7 ★ ★ ★ ★ ★

Flemington, New Jersey

0.9 mi

Juniper Hill Restaurant and Bar

4.6 ★ ★ ★ ★ ★

Annandale, New Jersey

1.6 mi

BORO Restaurant | Bar

4.5 ★ ★ ★ ★ ★

Near the start, right off the route

First break 0.5 mi from route ~1 min detour Moderately

Pennington, New Jersey

Hours: 9:30 am–9 pm

+16097304100

Visit website

Bistro 55 mediterranean restaurant

4.7 ★ ★ ★ ★ ★

Around the midpoint, right off the route

Early stretch 0.9 mi from route ~2 min detour $20 to $30

Flemington, New Jersey

Hours: 11 am–9 pm

+19082370264

Visit website

Juniper Hill Restaurant and Bar

4.6 ★ ★ ★ ★ ★

Around the midpoint, short detour

Halfway reset 1.6 mi from route ~4 min detour Expensive

Annandale, New Jersey

Hours: 12–9 pm

+19083358905

Visit website

Kunkel Park

4.7 ★ ★ ★ ★ ★

Near the start, right off the route

First break 0.7 mi from route ~2 min detour

Pennington, New Jersey

Hours: Open 24 hours

Visit website

Old York Cellars

4.2 ★ ★ ★ ★ ☆

Early in the drive, short detour

Early stretch 1 mi from route ~3 min detour

Ringoes, New Jersey

Hours: 12–8 pm

+19082849463

Visit website

Black River & Western Railroad

4.6 ★ ★ ★ ★ ★

Early in the drive, short detour

Early stretch 1.4 mi from route ~4 min detour

Ringoes, New Jersey

+19087826622

Visit website

Marion F Clawson Memorial Park

4.9 ★ ★ ★ ★ ★

Early in the drive, short detour

Early stretch 1.3 mi from route ~3 min detour

Ringoes, New Jersey

Visit website

NORTHLANDZ Train Museum & Miniature Wonderland

4.6 ★ ★ ★ ★ ★

Around the midpoint, short detour

Early stretch 1.9 mi from route ~5 min detour

Flemington, New Jersey

Hours: 10 am–6 pm

+19087824022

Visit website

Rosedale Park

4.7 ★ ★ ★ ★ ★

Near the start, short detour

First break 2.3 mi from route ~6 min detour

Pennington, New Jersey

Hours: 6 am–9 pm

+16094438560

Visit website

Central Park

4.5 ★ ★ ★ ★ ★

Near the start, short detour

First break 2.2 mi from route ~5 min detour

Lawrence Township, New Jersey

Hours: Open 24 hours

+16098447067

Visit website

Mercer Meadows

4.8 ★ ★ ★ ★ ★

Near the start, short detour

First break 2.9 mi from route ~7 min detour

Lawrence Township, New Jersey

Hours: 6 am–8:30 pm

+16093030700

Visit website

Place data sourced from public business listings. Hours and availability may vary.

Heads-up: tricky spots

5 of 13

5 decision points cluster between mile 0.6 and 65.2 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.

6
0.6 mi into trip | ~1m in | CR 622 / South Olden Avenue

Turn left onto CR 622 / South Olden Avenue

Lane positioning matters here

Use the straight / right lanes.
7
18.1 mi into trip | ~31m in | NJ 31

Take the exit onto NJ 31 toward NJ 31 North, US 202 North: Flemington

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 North, US 202 North: Flemington
5
23.8 mi into trip | ~40m in | NJ 31

Enter roundabout onto NJ 31

Roundabout - know your exit number before entering

5
64.7 mi into trip | ~1h 42m in | NJ 94; CR 521

At end of road, turn left onto NJ 94; CR 521

Navigation decision point

6
65.2 mi into trip | ~1h 44m in | CR 602 / High Street

At end of road, turn right onto CR 602 / High Street

Complex interchange - multiple decisions in a short stretch

Fuel & Cost

Regular Gas

$11.90 one way

$23.79 round trip

$4.24/gal 25.4 MPG avg 25 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.67 $13.09 $26.19
premium $5.01 $14.05 $28.10
diesel $5.60 $15.69 $31.39

No toll roads detected on this route.

Estimated Trip Cost (one way, 1 person)

Fuel

$12

Meals

$25–$50

Total

$37–$62

Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.

Estimated CO2 emission: 24.9 kg one way. Prices: EIA weekly data, 2026-08-31.

Driving Electric?

About $7 in charging · 0 stops · 68% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 21.4 0 $7.48 $3.42
Efficient EV 17.8 0 $6.23 $2.85
EV Truck/SUV 28.5 0 $9.97 $4.56

Gas CO2

25 kg

EV CO2

8 kg (68% 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 Sep 1, 2026

Origin

Trenton, NJ

Late night in Trenton on Wednesday

Local time

4:49 AM

EDT

Current temp

81°F

Unavailable

Live forecast

Destination

Hardwick, NJ

Late night in Hardwick on Wednesday

Local time

4:49 AM

EDT

Current temp

79°F

Unavailable

Live forecast

76°F

Clinton, NJ

36 mi in

Seasonal Notes

Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.

Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.

Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.

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

2 degrees cooler at arrival

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

Road read

2h 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?

71.2 mi in 2h, mostly highway — 42.9 mi of that is on NJ 31.

63% highway — fuel and pacing are the main things to plan.
27 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 42.9 mi on NJ 31.

How Hard Is This Drive?

5/10

This is a straightforward highway drive that stays mostly on NJ 31 and Hope Road. You will hit about 13 points where you need to pay attention to lane position or signs. The trickiest moment comes around 0.6 miles in near CR 622 / South Olden Avenue.

Driving Effort 5/10

Moderate - straightforward overall, but long enough or busy enough to require pacing

Balances navigation complexity with total wheel time.

This drive requires moderate attention. Across 71.2 miles you will encounter 13 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.

Where does it get tricky?

The main spots that need attention: at 0.6 miles (CR 622 / South Olden Avenue): Lane positioning matters here; at 18.1 miles (NJ 31): Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 23.8 miles (NJ 31): Roundabout - know your exit number before entering.

Elevation Profile

Gently rolling terrain

850 ft 61 ft

Total Climb

1,097 ft

Total Descent

308 ft

Highest Point

850 ft

~71.2 mi in

Elevation Range

789 ft

About the Cities

Starting in Trenton, NJ

Full guide →

Founded 1719

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.

Top landmarks

  • • New Jersey State House — state capitol building of the U.S. state of New Jersey
  • • First Presbyterian Church — church in Trenton, New Jersey
  • • Calhoun Street Bridge — bridge over the Delaware River between Morrisville, Pennsylvania and Trenton, Ne...

Arriving in Hardwick, NJ

Full guide →

Founded 1750

Top landmarks

  • • Pahaquarry Copper Mine — historic copper mine in Warren County, New Jersey
  • • Vass Farmstead — historic house in Warren County, New Jersey

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 2h. Total distance: 71.2 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

2h drive, comfortable solo distance.

First-Time Driver

Mostly highway driving (63%). Some complex stretches to watch for.

Frequently Asked Questions

The longest stretch is about 42.9 miles on NJ 31. The full list of main roads is in the Roads section above.

Yes, with realistic expectations. Build in a stop roughly every 2 hours, have snacks and activities ready, and check the Nearby Places tabs for kid-friendly stops along the way.

The main spots that need attention: at 0.6 miles (CR 622 / South Olden Avenue): Lane positioning matters here; at 18.1 miles (NJ 31): Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 23.8 miles (NJ 31): Roundabout - know your exit number before entering.

Yes. A round trip is manageable in a single day if you plan a break at Hardwick, 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, EIA for fuel prices, and USGS 3DEP for elevation. See our methodology for refresh cadence and limitations.

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