How far is Trenton, NJ from Rossmoor, NJ?
The driving distance from Trenton, NJ to Rossmoor, NJ is about 18.8 miles (30.3 km), with a travel time of about 00h 35m by car.
- The straight-line flight distance is about 16.4 miles (26.4 km).
- For a round trip, plan for roughly 01h 10m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EST.
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 35m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Township in Mercer County, New Jersey, United States
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 Rossmoor.
Turn-by-Turn Driving Directions
Step-by-step road directions between Trenton and Rossmoor.
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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
2.7 mi · 5 min · Hamilton Avenue
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3
Turn straight onto Nottingham Way
2690 ft · 1 min · Nottingham Way
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4
Continue on Edinburg Road
2 mi · 4 min · Edinburg Road
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5
Continue on Old Trenton Road
8.5 mi · 15 min · Old Trenton Road
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6
At the end of the road, turn left
1.2 mi · 2 min
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7
Turn slight right onto South River Road
1.9 mi · 3 min · South River Road
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8
Continue on Cranbury-South River Road
2797 ft · 60 sec · Cranbury-South River Road
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9
Turn right onto Forsgate Drive
1.2 km · 1 min · Forsgate Drive
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10
Turn right onto Rossmoor Drive
1058 ft · 49 sec · Rossmoor Drive
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11
Turn right onto Old Nassau Road
2454 ft · 2 min · Old Nassau Road
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12
Arrive at your destination
0 m · 1 sec · Old Nassau Road
Car Route Details
A richer read on the saved driving route between Trenton and Rossmoor.
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.
Old Trenton Road
Continue on Old Trenton Road
8.52 mi · 00h 15m
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 Sunny leaving Trenton and Mostly Sunny near Rossmoor.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Trenton to Rossmoor?
The road trip is about 18.8 miles (30.3 km) and usually takes 00h 35m 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?
West Windsor is a useful midpoint, sitting about 9.4 miles from Trenton and 9.4 miles from Rossmoor.
How much longer is the road route than the straight-line distance?
The direct path is about 16.4 miles (26.4 km), while the road route adds roughly 2.4 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 EST. If you want a more comfortable same-day return, try to leave by 7:20 PM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.68 one way or $5.35 round trip. Estimated CO2 is about 5.9 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Trenton and Mostly Sunny near Rossmoor.
Stop Ideas Near West Windsor
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 West Windsor.
Princeton Junction station
Trenton Transit Center
New Brunswick station
Cornwells Heights
Flight Path Map
This map shows the direct air route between Trenton and Rossmoor. Straight-line distance: 16.43 mi (26.44 km).
#1 Trenton
The capital of New Jersey.
| Population | 82,957 |
| Coordinates | 40.2170500, -74.7429400 |
| Altitude | 17 |
| Country | United States |
#2 Rossmoor
Rossmoor is a place in New Jersey, United States.
| Population | 0 |
| Coordinates | 40.3365000, -74.4734900 |
| Altitude | 40 |
| Country | United States |
End: Rossmoor (-74.47349, 40.3365)
Estimated Travel Time
Distance: 30 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 37m |
| 40 mph (64.37 km/h) | 00h 28m |
| 50 mph (80.47 km/h) | 00h 22m |
| 60 mph (96.56 km/h) | 00h 18m |
| 70 mph (112.65 km/h) | 00h 16m |
| 80 mph (129 km/h) | 00h 14m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.06 | $2.68 | $5.35 |
| Mid-grade | $4.69 | $3.09 | $6.19 |
| Premium | $5.00 | $3.30 | $6.60 |
| Diesel | $6.30 | $4.16 | $8.31 |
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 09, 2026