How far is Port Republic, NJ from Newark, NJ?
The driving distance from Port Republic, NJ to Newark, NJ is about 101.2 miles (162.9 km), with a travel time of about 01h 46m by car.
- The straight-line flight distance is about 85.6 miles (137.7 km).
- For a round trip, plan for roughly 03h 32m 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 46m.
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 Newark.
Turn-by-Turn Driving Directions
Step-by-step road directions between Port Republic and Newark.
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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
50.2 mi · 59 min · Garden State Parkway
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7
Keep slight left
2399 ft · 31 sec
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8
Continue on Garden State Parkway
25.1 mi · 31 min · Garden State Parkway
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9
Take the exit slight right toward I 95, NJTP: New York City, Trenton
2199 ft · 48 sec
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10
Keep slight right
655 ft · 16 sec
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11
Continue straight
2500 ft · 1 min
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12
Continue on I 95 North, NJTP North: New York City
673 ft · 16 sec
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13
Keep slight right to continue on I 95 North, NJTP North: New York City
2694 ft · 1 min
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14
Merge slight left onto New Jersey Turnpike
9.5 mi · 12 min · New Jersey Turnpike
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15
Take the exit slight right toward Newark Airport, Elizabeth Seaport
1 km · 1 min
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16
Merge slight left
1.2 km · 1 min
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17
Keep slight left
2085 ft · 44 sec
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18
Continue straight
1.7 mi · 3 min
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19
Keep slight left to continue on NJ 21, US 22: Newark, Downtown
1.9 mi · 4 min
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20
Turn left onto Chestnut Street
70 m · 8 sec · Chestnut Street
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21
Turn right onto Mulberry Street
3217 ft · 2 min · Mulberry Street
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22
Turn left onto Market Street
905 ft · 30 sec · Market Street
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23
Arrive at your destination
0 m · 1 sec · Market Street
Car Route Details
A richer read on the saved driving route between Port Republic and Newark.
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
50.2 mi · 00h 59m
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 Newark.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Port Republic to Newark?
The road trip is about 101.2 miles (162.9 km) and usually takes 01h 46m 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?
Ramtown is a useful midpoint, sitting about 50.5 miles from Port Republic and 50.7 miles from Newark.
How much longer is the road route than the straight-line distance?
The direct path is about 85.6 miles (137.7 km), while the road route adds roughly 15.6 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 2:58 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $14.59 one way or $29.17 round trip. Estimated CO2 is about 31.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Port Republic and Partly Sunny near Newark.
Stop Ideas Near Ramtown
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 Ramtown.
Princeton Junction station
New Brunswick station
Metropark station
Trenton Transit Center
Flight Path Map
This map shows the direct air route between Port Republic and Newark. Straight-line distance: 85.56 mi (137.7 km).
#1 Port Republic
City in New Jersey
| Population | 1,051 |
| Coordinates | 39.5206700, -74.4857100 |
| Altitude | 4 |
| Country | United States |
#2 Newark
The most populous city in New Jersey and the center of the Newark metropolitan area.
| Population | 282,520 |
| Coordinates | 40.7356600, -74.1723700 |
| Altitude | 9 |
| Country | United States |
End: Market Street (-74.17237, 40.73566)
Estimated Travel Time
Distance: 163 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 22m |
| 40 mph (64.37 km/h) | 02h 31m |
| 50 mph (80.47 km/h) | 02h 01m |
| 60 mph (96.56 km/h) | 01h 41m |
| 70 mph (112.65 km/h) | 01h 26m |
| 80 mph (129 km/h) | 01h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $14.59 | $29.17 |
| Mid-grade | $4.60 | $16.42 | $32.84 |
| Premium | $4.95 | $17.69 | $35.37 |
| Diesel | $5.98 | $21.35 | $42.70 |
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.