How far is Port Republic, NJ from Edison, NJ?
The driving distance from Port Republic, NJ to Edison, NJ is about 90.4 miles (145.5 km), with a travel time of about 01h 32m by car.
- The straight-line flight distance is about 69.1 miles (111.2 km).
- For a round trip, plan for roughly 03h 04m 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 32m.
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.
Census designated place
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Partly Sunny
Driving Route Map
The map below follows the saved road route between Port Republic and Edison.
Turn-by-Turn Driving Directions
Step-by-step road directions between Port Republic and Edison.
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1
Start on Smithville-Port Republic Road
1 mi · 2 min · Smithville-Port Republic Road
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2
At the end of the road, turn right onto Chestnut Neck Road
1.5 mi · 3 min · Chestnut Neck Road
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3
Turn slight left onto New York Road
1615 ft · 27 sec · New York Road
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4
Take the ramp straight toward GSP North: Toms River
1489 ft · 20 sec
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5
Merge slight left onto Garden State Parkway
4.9 mi · 6 min · Garden State Parkway
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6
Keep slight left to continue on Garden State Parkway
44.2 mi · 52 min · Garden State Parkway
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7
Take the exit slight right toward NJ 138 East, I 195 West, NJ 34: Belmar, Trenton
1736 ft · 42 sec
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8
Keep slight left to continue on GSP North, I 195 West
1613 ft · 39 sec
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9
Keep slight right to continue on I 195 West: Trenton
1389 ft · 40 sec
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10
Merge slight left
1311 ft · 16 sec
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11
Take the exit slight right toward NJ 34 North: Matawan
1289 ft · 36 sec
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12
Merge slight left
3.4 mi · 4 min
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13
Enter the roundabout and take exit 2 toward the route
138 m · 7 sec
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14
Exit the roundabout
1.6 km · 1 min
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15
Take the exit slight right
3.6 mi · 6 min
-
16
Take the ramp slight right toward NJ 18 North: New Brunswick
1083 ft · 27 sec
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17
Merge slight left
21.4 mi · 25 min
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18
Take the exit slight right toward US 1 North: Newark
1359 ft · 43 sec
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19
Merge slight left
1.4 km · 1 min
-
20
Continue straight
969 ft · 17 sec
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21
Continue straight
1162 ft · 20 sec
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22
Continue straight
1922 ft · 34 sec
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23
Turn right
141 m · 39 sec
-
24
At the end of the road, turn left onto Plainfield Avenue
1.3 mi · 3 min · Plainfield Avenue
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25
Turn left onto Central Avenue
105 m · 17 sec · Central Avenue
-
26
Turn right onto Reed Street
159 m · 28 sec · Reed Street
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27
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Port Republic and Edison.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Garden State Parkway
Keep slight left to continue on Garden State Parkway
44.2 mi · 00h 52m
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 Port Republic and Partly Sunny near Edison.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Port Republic to Edison?
The road trip is about 90.4 miles (145.5 km) and usually takes 01h 32m 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?
Leisure Village is a useful midpoint, sitting about 43.3 miles from Port Republic and 47 miles from Edison.
How much longer is the road route than the straight-line distance?
The direct path is about 69.1 miles (111.2 km), while the road route adds roughly 21.3 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 3:26 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $13.03 one way or $26.07 round trip. Estimated CO2 is about 28.3 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Port Republic and Partly Sunny near Edison.
Stop Ideas Near Leisure Village
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 Leisure Village.
Princeton Junction station
Trenton Transit Center
New Brunswick station
Metropark station
Flight Path Map
This map shows the direct air route between Port Republic and Edison. Straight-line distance: 69.07 mi (111.15 km).
#1 Port Republic
City in New Jersey
| Population | 1,051 |
| Coordinates | 39.5206700, -74.4857100 |
| Altitude | 4 |
| Country | United States |
#2 Edison
Township in Middlesex County, New Jersey, United States
| Population | 98,721 |
| Coordinates | 40.5187200, -74.4121000 |
| Altitude | 27 |
| Country | United States |
End: (-74.411858, 40.518472)
Estimated Travel Time
Distance: 145 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 00m |
| 40 mph (64.37 km/h) | 02h 15m |
| 50 mph (80.47 km/h) | 01h 48m |
| 60 mph (96.56 km/h) | 01h 30m |
| 70 mph (112.65 km/h) | 01h 17m |
| 80 mph (129 km/h) | 01h 07m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $13.03 | $26.07 |
| Mid-grade | $4.60 | $14.67 | $29.34 |
| Premium | $4.95 | $15.80 | $31.61 |
| Diesel | $5.98 | $19.08 | $38.15 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.