How far is Trenton, NJ from Green Knoll, NJ?
The driving distance from Trenton, NJ to Green Knoll, NJ is about 33.4 miles (53.8 km), with a travel time of about 00h 54m by car.
- The straight-line flight distance is about 27.3 miles (44 km).
- For a round trip, plan for roughly 01h 49m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EST.
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 54m.
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.
Borough in Somerset County, New Jersey
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Trenton and Green Knoll.
Turn-by-Turn Driving Directions
Step-by-step road directions between Trenton and Green Knoll.
-
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
2.9 mi · 3 min
-
6
Take the exit slight right toward US 1: New Brunswick, Trenton
1116 ft · 15 sec
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7
Keep slight right to continue on US 1 North: New Brunswick
2872 ft · 1 min
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8
Merge slight left onto Brunswick Pike
4.1 mi · 6 min · Brunswick Pike
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9
Enter the roundabout and take exit 4 toward Washington Road
103 m · 8 sec · Washington Road
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10
Exit the rotary onto Washington Road
1.6 mi · 4 min · Washington Road
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11
Turn left onto Nassau Street
781 ft · 31 sec · Nassau Street
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12
Turn right onto Witherspoon Street
1.3 km · 2 min · Witherspoon Street
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13
Continue on Mount Lucas Road
150 m · 21 sec · Mount Lucas Road
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14
Turn left onto Cherry Hill Road
43 m · 8 sec · Cherry Hill Road
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15
Turn right onto State Road
3.1 mi · 5 min · State Road
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16
Continue straight
5.3 mi · 8 min
-
17
Take the exit straight toward Peter J. Biondi Memorial Bypass
1023 ft · 16 sec · Peter J. Biondi Memorial Bypass
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18
Merge slight left onto Peter J. Biondi Memorial Bypass
7.8 mi · 12 min · Peter J. Biondi Memorial Bypass
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19
Enter the roundabout and take exit 2 toward Somerville Circle
64 m · 3 sec
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20
Exit the rotary onto US 202 North, US 206 North: Netcong, New York
2.1 mi · 3 min
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21
Turn right onto Allen Road
2047 ft · 57 sec · Allen Road
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22
At the end of the road, turn right onto Foothill Road
1.3 km · 2 min · Foothill Road
-
23
Turn right onto Brian Drive
918 ft · 40 sec · Brian Drive
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24
Arrive at your destination
0 m · 1 sec · Brian Drive
Car Route Details
A richer read on the saved driving route between Trenton and Green Knoll.
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.
Peter J. Biondi Memorial Bypass
Merge slight left onto Peter J. Biondi Memorial Bypass
7.79 mi · 00h 12m
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.
Mostly Sunny leaving Trenton and Mostly Sunny near Green Knoll.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Trenton to Green Knoll?
The road trip is about 33.4 miles (53.8 km) and usually takes 00h 54m 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?
Rocky Hill is a useful midpoint, sitting about 16.7 miles from Trenton and 16.7 miles from Green Knoll.
How much longer is the road route than the straight-line distance?
The direct path is about 27.3 miles (44 km), while the road route adds roughly 6.1 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 EST. If you want a more comfortable same-day return, try to leave by 4:40 PM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.81 one way or $9.62 round trip. Estimated CO2 is about 10.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Trenton and Mostly Sunny near Green Knoll.
Stop Ideas Near Rocky Hill
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 Rocky Hill.
Princeton Junction station
New Brunswick station
Trenton Transit Center
Metropark station
Flight Path Map
This map shows the direct air route between Trenton and Green Knoll. Straight-line distance: 27.35 mi (44.01 km).
#1 Trenton
The capital of New Jersey.
| Population | 82,957 |
| Coordinates | 40.2170500, -74.7429400 |
| Altitude | 17 |
| Country | United States |
#2 Green Knoll
Green Knoll is a place in New Jersey, United States.
| Population | 0 |
| Coordinates | 40.6001000, -74.6121000 |
| Altitude | 45 |
| Country | United States |
End: Green Knoll (-74.6121, 40.6001)
Estimated Travel Time
Distance: 54 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 06m |
| 40 mph (64.37 km/h) | 00h 50m |
| 50 mph (80.47 km/h) | 00h 40m |
| 60 mph (96.56 km/h) | 00h 33m |
| 70 mph (112.65 km/h) | 00h 28m |
| 80 mph (129 km/h) | 00h 25m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.08 | $4.81 | $9.62 |
| Mid-grade | $4.71 | $5.56 | $11.11 |
| Premium | $5.02 | $5.93 | $11.85 |
| Diesel | $6.31 | $7.45 | $14.90 |
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 · Nov 07, 2026