How far is Philadelphia, PA from South Williamsport, PA?
The driving distance from Philadelphia, PA to South Williamsport, PA is about 177.2 miles (285.1 km), with a travel time of about 03h 29m by car.
- The straight-line flight distance is about 130.7 miles (210.4 km).
- For a round trip, plan for roughly 06h 58m 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 03h 29m.
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.
Mostly Sunny
Partly Sunny
Driving Route Map
The map below follows the saved road route between Philadelphia and South Williamsport.
Turn-by-Turn Driving Directions
Step-by-step road directions between Philadelphia and South Williamsport.
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1
Start on South Penn Square
121 m · 9 sec · South Penn Square
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2
Keep slight left to continue on East Penn Square
737 ft · 19 sec · East Penn Square
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3
Continue on John F. Kennedy Boulevard
803 ft · 21 sec · John F. Kennedy Boulevard
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4
Turn right onto North 16th Street
2132 ft · 55 sec · North 16th Street
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5
Take the ramp slight right toward I 676 West, US 30 West: International Airport, Valley Forge
1091 ft · 27 sec
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6
Merge slight left onto Vine Street Expressway
1 mi · 2 min · Vine Street Expressway
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7
Merge slight right onto Schuylkill Expressway
12.1 mi · 17 min · Schuylkill Expressway
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8
Take the exit slight right toward I 476 North: Plymouth Meeting
3232 ft · 1 min
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9
Merge slight left onto Mid-County Expressway
3.3 mi · 4 min · Mid-County Expressway
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10
Turn slight left onto Mid-County Expressway
885 ft · 14 sec · Mid-County Expressway
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11
Continue on Pennsylvania Turnpike Northeast Extension
75 mi · 1 hr 21 min · Pennsylvania Turnpike Northeast Extension
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12
Take the exit slight right toward PA 940, I 80: Hazleton, Mount Pocono
1.1 km · 2 min
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13
Keep slight left
879 ft · 24 sec
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14
Keep slight right to continue on I 80 West: Hazleton
1650 ft · 40 sec
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15
Merge slight left onto Keystone Shortway
65.8 mi · 1 hr 13 min · Keystone Shortway
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16
Take the exit slight right toward US 15: Lewisburg, Williamsport
1568 ft · 38 sec
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17
Keep slight right to continue on US 15 North: Williamsport
1888 ft · 41 sec
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18
Merge slight left onto Westbranch Highway
2.6 mi · 4 min · Westbranch Highway
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19
Continue on US Highway 15
11.7 mi · 17 min · US Highway 15
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20
Continue on Montgomery Pike
1.1 mi · 2 min · Montgomery Pike
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21
Continue on Hastings Street
3122 ft · 1 min · Hastings Street
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22
Turn left onto East Southern Avenue
1663 ft · 43 sec · East Southern Avenue
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23
Arrive at your destination
0 m · 1 sec · West Southern Avenue
Car Route Details
A richer read on the saved driving route between Philadelphia and South Williamsport.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Pennsylvania Turnpike Northeast Extension
Continue on Pennsylvania Turnpike Northeast Extension
75 mi · 01h 21m
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.
Mostly Sunny leaving Philadelphia and Partly Sunny near South Williamsport.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Philadelphia to South Williamsport?
The road trip is about 177.2 miles (285.1 km) and usually takes 03h 29m 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?
East Side is a useful midpoint, sitting about 88.5 miles from Philadelphia and 88.6 miles from South Williamsport.
How much longer is the road route than the straight-line distance?
The direct path is about 130.7 miles (210.4 km), while the road route adds roughly 46.5 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 10:02 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $25.54 one way or $51.08 round trip. Estimated CO2 is about 55.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Philadelphia and Partly Sunny near South Williamsport.
Stop Ideas Near East Side
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 East Side.
White Haven, PA
Wilkes-Barre, PA
Scranton, PA
Paoli
Flight Path Map
This map shows the direct air route between Philadelphia and South Williamsport. Straight-line distance: 130.72 mi (210.38 km).
#1 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 |
#2 South Williamsport
Borough in Lycoming County, Pennsylvania
| Population | 6,064 |
| Coordinates | 41.2320200, -76.9991300 |
| Altitude | 159 |
| Country | United States |
End: South Williamsport (-76.99913, 41.23202)
Estimated Travel Time
Distance: 285 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 54m |
| 40 mph (64.37 km/h) | 04h 25m |
| 50 mph (80.47 km/h) | 03h 32m |
| 60 mph (96.56 km/h) | 02h 57m |
| 70 mph (112.65 km/h) | 02h 31m |
| 80 mph (129 km/h) | 02h 12m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $25.54 | $51.08 |
| Mid-grade | $4.60 | $28.74 | $57.49 |
| Premium | $4.95 | $30.96 | $61.93 |
| Diesel | $5.98 | $37.38 | $74.75 |
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.