How far is Jersey City, NJ from Port Republic, NJ?
The driving distance from Jersey City, NJ to Port Republic, NJ is about 105.3 miles (169.5 km), with a travel time of about 02h 11m by car.
- The straight-line flight distance is about 86.2 miles (138.7 km).
- For a round trip, plan for roughly 04h 22m 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 02h 11m.
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.
Township in Mercer County, New Jersey, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Jersey City and Port Republic.
Turn-by-Turn Driving Directions
Step-by-step road directions between Jersey City and Port Republic.
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1
Start on Olean Avenue
96 m · 16 sec · Olean Avenue
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2
Turn right onto Duncan Avenue
2210 ft · 53 sec · Duncan Avenue
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3
Turn left
2093 ft · 45 sec
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4
Take the exit slight right toward US 1 South, US 9 South: Newark Airport, Port Newark Elizabeth Seaport
1.9 mi · 3 min
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5
Take the exit straight toward US 1 Truck South, US 9 Truck South: Port Newark, Newark Airport
1.1 km · 1 min
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6
Merge slight left
2.1 mi · 3 min
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7
Take the exit slight right toward I 78 East, I 95, NJTP: New Jersey Turnpike Toll
3059 ft · 1 min
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8
Merge slight right onto I 95/NJTP North Tolls
14 m · 1 sec · I 95/NJTP North Tolls
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9
Keep slight right to continue on I 95/NJTP North Tolls
589 ft · 7 sec · I 95/NJTP North Tolls
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10
Keep slight right to continue on I 95 South, NJTP South: Trenton
3023 ft · 1 min
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11
Keep slight left
3183 ft · 49 sec
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12
Merge slight left onto New Jersey Turnpike
11.9 mi · 15 min · New Jersey Turnpike
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13
Take the exit slight right toward GSP, US 9: Garden State Parkway, Woodbridge
1.4 mi · 3 min · Exit to GSP and US Route 9
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14
Keep slight left to continue on GSP South, US 9, NJ 440: Garden State Parkway, Woodbridge, Perth Amboy
1372 ft · 33 sec
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15
Keep slight left to continue on GSP Southbound entrance
2594 ft · 1 min · GSP Southbound entrance
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16
Merge slight left onto Garden State Parkway
3 mi · 4 min · Garden State Parkway
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17
Keep slight left to continue on Garden State Parkway
1.2 km · 49 sec · Garden State Parkway
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18
Keep slight right to continue on Garden State Parkway
76.7 mi · 1 hr 29 min · Garden State Parkway
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19
Take the exit slight right toward US 9 South: Port Republic, Smithville
1.5 km · 1 min
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20
Turn slight right onto Chestnut Neck Road
1.5 mi · 3 min · Chestnut Neck Road
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21
Turn left onto Smithville-Port Republic Road
1 mi · 2 min · Smithville-Port Republic Road
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22
Arrive at your destination
0 m · 1 sec · Smithville-Port Republic Road
Car Route Details
A richer read on the saved driving route between Jersey City 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.
Partly Sunny leaving Jersey City 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 Jersey City to Port Republic?
The road trip is about 105.3 miles (169.5 km) and usually takes 02h 11m 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?
Hamilton is a useful midpoint, sitting about 52.7 miles from Jersey City and 52.7 miles from Port Republic.
How much longer is the road route than the straight-line distance?
The direct path is about 86.2 miles (138.7 km), while the road route adds roughly 19.1 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 2:08 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $15.20 one way or $30.40 round trip. Estimated CO2 is about 33.1 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Jersey City and Mostly Sunny near Port Republic.
Stop Ideas Near Hamilton
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 Hamilton.
New Brunswick station
Metropark station
Princeton Junction station
Newark Liberty International Airport
Flight Path Map
This map shows the direct air route between Jersey City and Port Republic. Straight-line distance: 86.17 mi (138.68 km).
#1 Jersey City
The second most populous city in New Jersey and the center of the Jersey City metropolitan area.
| Population | 262,075 |
| Coordinates | 40.7281600, -74.0776400 |
| Altitude | 9 |
| 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: 170 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 30m |
| 40 mph (64.37 km/h) | 02h 38m |
| 50 mph (80.47 km/h) | 02h 06m |
| 60 mph (96.56 km/h) | 01h 45m |
| 70 mph (112.65 km/h) | 01h 30m |
| 80 mph (129 km/h) | 01h 18m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $15.20 | $30.40 |
| Mid-grade | $4.60 | $17.11 | $34.22 |
| Premium | $4.95 | $18.43 | $36.86 |
| Diesel | $5.98 | $22.25 | $44.49 |
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.