How far is Passaic, NJ from Williamstown, NJ?
The driving distance from Passaic, NJ to Williamstown, NJ is about 102.1 miles (164.3 km), with a travel time of about 02h 12m by car.
- The straight-line flight distance is about 92.9 miles (149.5 km).
- For a round trip, plan for roughly 04h 24m 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 12m.
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.
Mostly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Passaic and Williamstown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Passaic and Williamstown.
-
1
Start on Passaic Avenue
29 m · 10 sec · Passaic Avenue
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2
Turn left onto Paulison Avenue
2201 ft · 41 sec · Paulison Avenue
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3
Turn right onto Main Avenue
155 m · 9 sec · Main Avenue
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4
Take the ramp slight left toward NJ 21 South
857 ft · 21 sec
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5
Merge slight left
11.2 mi · 17 min
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6
Merge slight left
1072 ft · 17 sec
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7
Continue straight
1.5 mi · 2 min
-
8
Take the exit slight left
719 ft · 15 sec
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9
Continue straight
1.1 mi · 2 min
-
10
Keep slight right to continue on I 95 South, NJTP South: Trenton
96 m · 8 sec
-
11
Keep slight left to continue on I 95 South, NJTP South: Trenton
2178 ft · 38 sec
-
12
Merge slight left onto New Jersey Turnpike
49.6 mi · 58 min · New Jersey Turnpike
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13
Keep slight left to continue on New Jersey Turnpike
16.8 mi · 19 min · New Jersey Turnpike
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14
Take the exit slight right toward NJ 73: Mount Laurel, Camden
2533 ft · 56 sec
-
15
Keep slight left to continue on NJ 73 South: Marlton, Atlantic City
1867 ft · 46 sec
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16
Merge slight left
2452 ft · 42 sec
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17
Continue straight
5.1 mi · 7 min
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18
Continue straight
1.3 mi · 2 min
-
19
Continue straight
4.9 mi · 7 min
-
20
Take the exit slight right
1579 ft · 43 sec
-
21
Turn straight onto Taunton Road
1.7 mi · 3 min · Taunton Road
-
22
Continue on Williamstown Road
4.1 mi · 6 min · Williamstown Road
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23
Continue on Sicklerville Road
1.5 mi · 3 min · Sicklerville Road
-
24
Turn left
11 m · 4 sec
-
25
Turn right
40 m · 9 sec
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26
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Passaic and Williamstown.
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
Merge slight left onto New Jersey Turnpike
49.6 mi · 00h 58m
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 Passaic and Sunny near Williamstown.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Passaic to Williamstown?
The road trip is about 102.1 miles (164.3 km) and usually takes 02h 12m 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 51.1 miles from Passaic and 51 miles from Williamstown.
How much longer is the road route than the straight-line distance?
The direct path is about 92.9 miles (149.5 km), while the road route adds roughly 9.2 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 2:06 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $14.71 one way or $29.42 round trip. Estimated CO2 is about 32 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Passaic and Sunny near Williamstown.
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 Passaic and Williamstown. Straight-line distance: 92.89 mi (149.49 km).
#1 Passaic
The most populous city in Passaic County, New Jersey.
| Population | 69,340 |
| Coordinates | 40.8567700, -74.1284800 |
| Altitude | 34 |
| Country | United States |
#2 Williamstown
Town in Massachusetts
| Population | 15,567 |
| Coordinates | 39.6862300, -74.9951700 |
| Altitude | 44 |
| Country | United States |
End: Williamstown (-74.99517, 39.68623)
Estimated Travel Time
Distance: 164 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 24m |
| 40 mph (64.37 km/h) | 02h 33m |
| 50 mph (80.47 km/h) | 02h 02m |
| 60 mph (96.56 km/h) | 01h 42m |
| 70 mph (112.65 km/h) | 01h 27m |
| 80 mph (129 km/h) | 01h 16m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $14.71 | $29.42 |
| Mid-grade | $4.60 | $16.56 | $33.11 |
| Premium | $4.95 | $17.83 | $35.67 |
| Diesel | $5.98 | $21.53 | $43.06 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.