How far is Edison, NJ from Port Republic, NJ?
The driving distance from Edison, NJ to Port Republic, NJ is about 89.5 miles (144 km), with a travel time of about 01h 50m by car.
- The straight-line flight distance is about 69.1 miles (111.2 km).
- For a round trip, plan for roughly 03h 40m 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 50m.
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.
A township in Ocean County, New Jersey.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers Likely
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Edison and Port Republic.
Turn-by-Turn Driving Directions
Step-by-step road directions between Edison and Port Republic.
-
1
Start on the route
53 m · 13 sec
-
2
Continue on Reed Street
106 m · 20 sec · Reed Street
-
3
Turn left onto Central Avenue
105 m · 18 sec · Central Avenue
-
4
Turn right onto Plainfield Avenue
2284 ft · 1 min · Plainfield Avenue
-
5
Turn left onto Lincoln Highway
1.9 mi · 4 min · Lincoln Highway
-
6
Take the ramp slight right toward I 287 South, NJTP, GSP
1276 ft · 26 sec
-
7
Merge slight left
2 mi · 3 min
-
8
Continue straight
1.8 mi · 2 min
-
9
Take the exit slight right toward GSP South
2209 ft · 54 sec
-
10
Merge slight left onto Garden State Parkway
1.7 mi · 2 min · Garden State Parkway
-
11
Keep slight left to continue on Garden State Parkway
1.2 km · 49 sec · Garden State Parkway
-
12
Keep slight right to continue on Garden State Parkway
76.7 mi · 1 hr 29 min · Garden State Parkway
-
13
Take the exit slight right toward US 9 South: Port Republic, Smithville
1.5 km · 1 min
-
14
Turn slight right onto Chestnut Neck Road
1.5 mi · 3 min · Chestnut Neck Road
-
15
Turn left onto Smithville-Port Republic Road
1 mi · 2 min · Smithville-Port Republic Road
-
16
Arrive at your destination
0 m · 1 sec · Smithville-Port Republic Road
Car Route Details
A richer read on the saved driving route between Edison and Port Republic.
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 right to continue on Garden State Parkway
76.7 mi · 01h 29m
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.
Rain Showers Likely leaving Edison and Chance Rain Showers near Port Republic.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Edison to Port Republic?
The road trip is about 89.5 miles (144 km) and usually takes 01h 50m 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?
Brick is a useful midpoint, sitting about 44.7 miles from Edison and 44.7 miles from Port Republic.
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 20.4 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 2:50 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $12.91 one way or $25.82 round trip. Estimated CO2 is about 28.1 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely around Edison and Chance Rain Showers near Port Republic.
Stop Ideas Near Brick
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 Brick.
Princeton Junction station
Trenton Transit Center
New Brunswick station
Metropark station
Flight Path Map
This map shows the direct air route between Edison and Port Republic. Straight-line distance: 69.07 mi (111.15 km).
#1 Edison
Township in Middlesex County, New Jersey, United States
| Population | 98,721 |
| Coordinates | 40.5187200, -74.4121000 |
| Altitude | 27 |
| Country | United States |
#2 Port Republic
City in New Jersey
| Population | 1,051 |
| Coordinates | 39.5206700, -74.4857100 |
| Altitude | 4 |
| Country | United States |
End: Port Republic (-74.48571, 39.52067)
Estimated Travel Time
Distance: 144 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 58m |
| 40 mph (64.37 km/h) | 02h 14m |
| 50 mph (80.47 km/h) | 01h 47m |
| 60 mph (96.56 km/h) | 01h 29m |
| 70 mph (112.65 km/h) | 01h 16m |
| 80 mph (129 km/h) | 01h 06m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $12.91 | $25.82 |
| Mid-grade | $4.60 | $14.53 | $29.07 |
| Premium | $4.95 | $15.65 | $31.31 |
| Diesel | $5.98 | $18.90 | $37.79 |
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.