How far is Hamilton, NJ from Montgomery, NJ?
The driving distance from Hamilton, NJ to Montgomery, NJ is about 50.6 miles (81.5 km), with a travel time of about 01h 17m by car.
- The straight-line flight distance is about 40.1 miles (64.5 km).
- For a round trip, plan for roughly 02h 34m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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 01h 17m.
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 Middlesex County, New Jersey
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Hamilton and Montgomery.
Turn-by-Turn Driving Directions
Step-by-step road directions between Hamilton and Montgomery.
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1
Start on Gully Road
47 m · 5 sec · Gully Road
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2
Turn left onto Old Corlies Avenue
1136 ft · 34 sec · Old Corlies Avenue
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3
Turn left
2.3 mi · 4 min
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4
Continue straight
1013 ft · 17 sec
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5
Enter the roundabout and take exit 1 toward the route
67 m · 4 sec
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6
Exit the roundabout
1.6 km · 1 min
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7
Take the exit slight right
3.6 mi · 6 min
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8
Take the ramp slight right toward NJ 18 North: New Brunswick
1083 ft · 27 sec
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9
Merge slight left
22.2 mi · 26 min
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10
Continue on Memorial Parkway
1.9 mi · 3 min · Memorial Parkway
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11
Take the exit slight right toward Easton Avenue, So Bound Brook
2951 ft · 1 min
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12
Turn straight onto George Street
1080 ft · 19 sec · George Street
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13
Turn left onto Landing Lane
1485 ft · 27 sec · Landing Lane
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14
Continue on Franklin Boulevard
1.5 mi · 4 min · Franklin Boulevard
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15
Turn right onto Hamilton Street
1.8 mi · 3 min · Hamilton Street
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16
Continue on Amwell Road
1.5 mi · 3 min · Amwell Road
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17
At the end of the road, turn left onto Amwell Road
2.7 mi · 5 min · Amwell Road
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18
Continue on Millstone Bypass
1.3 km · 1 min · Millstone Bypass
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19
Continue on Amwell Road
8.1 mi · 14 min · Amwell Road
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20
Turn left onto Long Hill Road
1.2 km · 2 min · Long Hill Road
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21
Turn right onto Wertsville Road
1.3 km · 2 min · Wertsville Road
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22
Turn right onto Montgomery Road
16 m · 2 sec · Montgomery Road
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23
Arrive at your destination
0 m · 1 sec · Montgomery Road
Car Route Details
A richer read on the saved driving route between Hamilton and Montgomery.
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 18 North
Merge slight left
22.2 mi · 00h 26m
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 Hamilton and Sunny near Montgomery.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Hamilton to Montgomery?
The road trip is about 50.6 miles (81.5 km) and usually takes 01h 17m 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?
South River is a useful midpoint, sitting about 25.3 miles from Hamilton and 25.4 miles from Montgomery.
How much longer is the road route than the straight-line distance?
The direct path is about 40.1 miles (64.5 km), while the road route adds roughly 10.5 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 3:56 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $7.31 one way or $14.63 round trip. Estimated CO2 is about 15.9 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Hamilton and Sunny near Montgomery.
Stop Ideas Near South River
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 South River.
New Brunswick station
Metropark station
Princeton Junction station
Newark Liberty International Airport
Flight Path Map
This map shows the direct air route between Hamilton and Montgomery. Straight-line distance: 40.07 mi (64.49 km).
#1 Hamilton
Township in Mercer County, New Jersey, United States
| Population | 86,722 |
| Coordinates | 40.2070600, -74.0812500 |
| Altitude | 26 |
| Country | United States |
#2 Montgomery
Township in Somerset County, New Jersey
| Population | 23,094 |
| Coordinates | 40.4784400, -74.7537700 |
| Altitude | 38 |
| Country | United States |
End: Montgomery (-74.75377, 40.47844)
Estimated Travel Time
Distance: 82 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 41m |
| 40 mph (64.37 km/h) | 01h 15m |
| 50 mph (80.47 km/h) | 01h 00m |
| 60 mph (96.56 km/h) | 00h 50m |
| 70 mph (112.65 km/h) | 00h 43m |
| 80 mph (129 km/h) | 00h 37m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $7.31 | $14.63 |
| Mid-grade | $4.60 | $8.23 | $16.46 |
| Premium | $4.95 | $8.87 | $17.74 |
| Diesel | $5.98 | $10.70 | $21.41 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.