How far is Somerset, NJ from Port Republic, NJ?
The driving distance from Somerset, NJ to Port Republic, NJ is about 87.7 miles (141.2 km), with a travel time of about 01h 54m by car.
- The straight-line flight distance is about 67.5 miles (108.6 km).
- For a round trip, plan for roughly 03h 48m 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 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.
Census designated place
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 Somerset and Port Republic.
Turn-by-Turn Driving Directions
Step-by-step road directions between Somerset and Port Republic.
-
1
Start on West Point Avenue
717 ft · 33 sec · West Point Avenue
-
2
Turn right onto Abbott Road
966 ft · 44 sec · Abbott Road
-
3
Turn right onto Belmar Street
2231 ft · 2 min · Belmar Street
-
4
At the end of the road, turn left onto Franklin Boulevard
1.3 km · 2 min · Franklin Boulevard
-
5
Continue on Landing Lane
1469 ft · 25 sec · Landing Lane
-
6
Turn right onto George Street
2485 ft · 42 sec · George Street
-
7
Take the ramp straight toward NJ 18 South
1657 ft · 41 sec
-
8
Merge slight left
23.8 mi · 31 min
-
9
Take the exit slight right toward NJ 34 South: Point Pleasant
1568 ft · 1 min
-
10
Turn straight
3.1 mi · 5 min
-
11
Take the ramp straight
1.2 mi · 2 min
-
12
Enter the roundabout and take exit 2 toward the route
67 m · 3 sec
-
13
Exit the roundabout
3.9 mi · 5 min
-
14
Take the exit slight right toward GSP Toll South
1.1 km · 1 min
-
15
Merge slight left onto Garden State Parkway
48.6 mi · 57 min · Garden State Parkway
-
16
Take the exit slight right toward US 9 South: Port Republic, Smithville
1.5 km · 1 min
-
17
Turn slight right onto Chestnut Neck Road
1.5 mi · 3 min · Chestnut Neck Road
-
18
Turn left onto Smithville-Port Republic Road
1 mi · 2 min · Smithville-Port Republic Road
-
19
Arrive at your destination
0 m · 1 sec · Smithville-Port Republic Road
Car Route Details
A richer read on the saved driving route between Somerset 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
Merge slight left onto Garden State Parkway
48.6 mi · 00h 57m
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 Somerset and Mostly Sunny near Port Republic.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Somerset to Port Republic?
The road trip is about 87.7 miles (141.2 km) and usually takes 01h 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?
Leisure Village is a useful midpoint, sitting about 43.9 miles from Somerset and 43.9 miles from Port Republic.
How much longer is the road route than the straight-line distance?
The direct path is about 67.5 miles (108.6 km), while the road route adds roughly 20.2 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 2:42 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $12.67 one way or $25.33 round trip. Estimated CO2 is about 27.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Somerset and Mostly Sunny near Port Republic.
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 Somerset and Port Republic. Straight-line distance: 67.5 mi (108.63 km).
#1 Somerset
This large community in Somerset County, New Jersey, is situated at an elevation of 92 feet.
| Population | 965,424 |
| Coordinates | 40.4976000, -74.4884900 |
| Altitude | 28 |
| 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: 141 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 55m |
| 40 mph (64.37 km/h) | 02h 11m |
| 50 mph (80.47 km/h) | 01h 45m |
| 60 mph (96.56 km/h) | 01h 27m |
| 70 mph (112.65 km/h) | 01h 15m |
| 80 mph (129 km/h) | 01h 05m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $12.67 | $25.33 |
| Mid-grade | $4.60 | $14.26 | $28.51 |
| Premium | $4.95 | $15.36 | $30.71 |
| Diesel | $5.98 | $18.54 | $37.08 |
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.