How far is Williamstown, NJ from Union City, NJ?
The driving distance from Williamstown, NJ to Union City, NJ is about 103.6 miles (166.8 km), with a travel time of about 01h 56m by car.
- The straight-line flight distance is about 91.3 miles (146.9 km).
- For a round trip, plan for roughly 03h 53m 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 56m.
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.
Borough in Mercer County, New Jersey
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers Likely
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Williamstown and Union City.
Turn-by-Turn Driving Directions
Step-by-step road directions between Williamstown and Union City.
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1
Start on the route
40 m · 14 sec
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2
Turn left
11 m · 5 sec
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3
Turn right onto Sicklerville Road
1.5 mi · 3 min · Sicklerville Road
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4
Continue on Williamstown Road
4.1 mi · 6 min · Williamstown Road
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5
Continue on Taunton Road
1.7 mi · 3 min · Taunton Road
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6
Take the ramp slight right
2702 ft · 1 min
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7
Merge slight left
2.6 mi · 3 min
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8
Continue straight
8.9 mi · 13 min
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9
Continue straight
60 m · 3 sec
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10
Take the exit slight right toward NJTP
1422 ft · 38 sec
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11
Keep slight left to continue on NJTP North: New York
2795 ft · 1 min
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12
Merge slight left onto New Jersey Turnpike
14.6 mi · 17 min · New Jersey Turnpike
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13
Keep slight right to continue on New Jersey Turnpike
56.4 mi · 1 hr 7 min · New Jersey Turnpike
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14
Keep slight right to continue on New Jersey Turnpike Eastern Spur
6.2 mi · 8 min · New Jersey Turnpike Eastern Spur
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15
Take the exit slight right toward NJ 495 East: Lincoln Tunnel
1 mi · 2 min
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16
Continue straight
2682 ft · 38 sec
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17
Take the exit slight right toward Kennedy Boulevard
80 m · 6 sec
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18
Continue on 30th Street
1109 ft · 31 sec · 30th Street
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19
Turn left onto John F Kennedy Boulevard
90 m · 17 sec · John F Kennedy Boulevard
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20
Continue on John F. Kennedy Boulevard
1.3 km · 2 min · John F. Kennedy Boulevard
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21
Turn right onto 47th Street
612 ft · 29 sec · 47th Street
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22
At the end of the road, turn right onto Bergenline Avenue
625 ft · 21 sec · Bergenline Avenue
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23
Turn right onto 45th Street
20 m · 3 sec · 45th Street
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24
Arrive at your destination
0 m · 1 sec · 45th Street
Car Route Details
A richer read on the saved driving route between Williamstown and Union City.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
New Jersey Turnpike
Keep slight right to continue on New Jersey Turnpike
56.4 mi · 01h 07m
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 Williamstown and Showers And Thunderstorms near Union City.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Williamstown to Union City?
The road trip is about 103.6 miles (166.8 km) and usually takes 01h 56m 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?
Hightstown is a useful midpoint, sitting about 50.1 miles from Williamstown and 53.6 miles from Union City.
How much longer is the road route than the straight-line distance?
The direct path is about 91.3 miles (146.9 km), while the road route adds roughly 12.3 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 2:36 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $14.95 one way or $29.91 round trip. Estimated CO2 is about 32.5 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely around Williamstown and Showers And Thunderstorms near Union City.
Stop Ideas Near Hightstown
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Old City Hall
Trenton City Hall
Trenton Health & Human Services
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Hightstown.
Princeton Junction station
Trenton Transit Center
New Brunswick station
Metropark station
Flight Path Map
This map shows the direct air route between Williamstown and Union City. Straight-line distance: 91.28 mi (146.9 km).
#1 Williamstown
Town in Massachusetts
| Population | 15,567 |
| Coordinates | 39.6862300, -74.9951700 |
| Altitude | 44 |
| Country | United States |
#2 Union City
The most populous city in Hudson County, New Jersey.
| Population | 67,982 |
| Coordinates | 40.7795500, -74.0237500 |
| Altitude | 53 |
| Country | United States |
End: 45th Street (-74.023765, 40.779533)
Estimated Travel Time
Distance: 167 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 27m |
| 40 mph (64.37 km/h) | 02h 35m |
| 50 mph (80.47 km/h) | 02h 04m |
| 60 mph (96.56 km/h) | 01h 43m |
| 70 mph (112.65 km/h) | 01h 28m |
| 80 mph (129 km/h) | 01h 17m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $14.95 | $29.91 |
| Mid-grade | $4.60 | $16.83 | $33.66 |
| Premium | $4.95 | $18.13 | $36.26 |
| Diesel | $5.98 | $21.89 | $43.77 |
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 · May 06, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.