How far is Williamstown, PA from Philadelphia, PA?
The driving distance from Williamstown, PA to Philadelphia, PA is about 307.8 miles (495.3 km), with a travel time of about 05h 04m by car.
- The straight-line flight distance is about 258.2 miles (415.6 km).
- For a round trip, plan for roughly 10h 09m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 05h 04m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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 of Pennsylvania
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers Likely
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Williamstown and Philadelphia.
Turn-by-Turn Driving Directions
Step-by-step road directions between Williamstown and Philadelphia.
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1
Start on Taylor Avenue
83 m · 12 sec · Taylor Avenue
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2
Continue on 1st Avenue
852 ft · 45 sec · 1st Avenue
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3
At the end of the road, turn left onto Main Street
1.9 mi · 4 min · Main Street
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4
At the end of the road, turn left onto Front Street
1.7 mi · 2 min · Front Street
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5
Continue on Water Street
2511 ft · 42 sec · Water Street
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6
Turn straight onto Front Street
1.2 mi · 2 min · Front Street
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7
Continue on Low Hill Road
3 mi · 5 min · Low Hill Road
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8
Turn left
1.5 km · 2 min
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9
Merge slight left onto Mon/Fayette Expressway
6 mi · 6 min · Mon/Fayette Expressway
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10
Take the exit slight right toward I 70 East: New Stanton
1 km · 1 min
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11
Merge slight left onto Dwight D Eisenhower Highway
19.3 mi · 27 min · Dwight D Eisenhower Highway
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12
Take the exit slight right toward I 70 Toll East, I 76 Toll, PATP: Harrisburg, Pittsburgh
2490 ft · 1 min
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13
Keep slight left to continue on I 70 East, I 76 East: Harrisburg
2088 ft · 1 min
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14
Merge slight left onto Pennsylvania Turnpike
252 mi · 4 hr 35 min · Pennsylvania Turnpike
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15
Take the exit slight right toward I 76 East: Valley Forge, Philadelphia
18 mi · 26 min
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16
Keep slight left to continue on Vine Street Expressway
1.3 km · 1 min · Vine Street Expressway
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17
Take the exit slight right toward Central Philadelphia
731 ft · 18 sec
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18
Keep slight right to continue on 15th Street, Central Philadelphia
96 m · 11 sec
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19
Turn right onto North 15th Street
1987 ft · 49 sec · North 15th Street
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20
Turn slight left onto South Penn Square
115 m · 9 sec · South Penn Square
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21
Keep slight left to continue on South Penn Square
51 m · 3 sec · South Penn Square
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22
Arrive at your destination
0 m · 1 sec · South Penn Square
Car Route Details
A richer read on the saved driving route between Williamstown and Philadelphia.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Pennsylvania Turnpike
Merge slight left onto Pennsylvania Turnpike
252 mi · 04h 35m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Rain Showers Likely leaving Williamstown and Showers And Thunderstorms Likely near Philadelphia.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Williamstown to Philadelphia?
The road trip is about 307.8 miles (495.3 km) and usually takes 05h 04m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Shade Gap is a useful midpoint, sitting about 153.7 miles from Williamstown and 154.1 miles from Philadelphia.
How much longer is the road route than the straight-line distance?
The direct path is about 258.2 miles (415.6 km), while the road route adds roughly 49.6 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 6:00 AM to 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 6:50 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $44.37 one way or $88.75 round trip. Estimated CO2 is about 96.5 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely around Williamstown and Showers And Thunderstorms Likely near Philadelphia.
Stop Ideas Near Shade Gap
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 Shade Gap.
Huntingdon
Lewistown
Hancock, MD
Altoona Transportation Center
Flight Path Map
This map shows the direct air route between Williamstown and Philadelphia. Straight-line distance: 258.24 mi (415.6 km).
#1 Williamstown
Borough in northeastern Dauphin County, Pennsylvania, United States
| Population | 1,386 |
| Coordinates | 39.9792400, -80.0408900 |
| Altitude | 256 |
| Country | United States |
#2 Philadelphia
The sixth most populous city in the United States and the center of the Philadelphia metropolitan area.
| Population | 1,578,487 |
| Coordinates | 39.9523300, -75.1637900 |
| Altitude | 12 |
| Country | United States |
End: South Penn Square (-75.163922, 39.951648)
Estimated Travel Time
Distance: 495 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 15m |
| 40 mph (64.37 km/h) | 07h 41m |
| 50 mph (80.47 km/h) | 06h 09m |
| 60 mph (96.56 km/h) | 05h 07m |
| 70 mph (112.65 km/h) | 04h 23m |
| 80 mph (129 km/h) | 03h 50m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $44.37 | $88.75 |
| Mid-grade | $4.60 | $49.95 | $99.89 |
| Premium | $4.95 | $53.80 | $107.60 |
| Diesel | $5.98 | $64.94 | $129.89 |
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 Pennsylvania · 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.