How far is South Williamsport, PA from Philadelphia, PA?

The driving distance from South Williamsport, PA to Philadelphia, PA is about 170 miles (273.6 km), with a travel time of about 03h 12m by car.

  • The straight-line flight distance is about 130.7 miles (210.4 km).
  • For a round trip, plan for roughly 06h 24m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
170.02 mi
03h 12m
Flight
130.72 mi
210.38 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from South Williamsport.

Flight Distance

Direct air line
130.72 mi
Kilometers
210.38 km
Flight Time
00h 15m

Driving Distance

Road route
170.02 mi
Kilometers
273.62 km
Drive Time
03h 12m

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 12m.

Arrival Snapshot
Arrive in Philadelphia
Sun, Apr 19, 1:25 AM EDT
Return by in South Williamsport
Sun, Apr 19, 4:37 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave South Williamsport
2026-04-18T22:12
Arrive Philadelphia
Sun, Apr 19, 1:25 AM EDT
Route Timing
03h 12m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
9:12 AM to 11:12 AM EDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
10:36 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in South Williamsport
9:00 PM EDT
Early departure recommended

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.

Mid-route stop
East Side
PA

Borough of Pennsylvania

From South Williamsport
88.7 mi
01h 36m
To Philadelphia
81.3 mi
01h 36m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
73°F
This Afternoon

Partly Sunny

Starts
Sat, Apr 18 4:00 PM EDT
Wind
14 mph S
Destination
80°F
Saturday

Mostly Sunny

Starts
Sat, Apr 18 6:00 AM EDT
Wind
0 to 10 mph E

Driving Route Map

The map below follows the saved road route between South Williamsport and Philadelphia.

Turn-by-Turn Driving Directions

Step-by-step road directions between South Williamsport and Philadelphia.

  1. 1

    Start on West Southern Avenue

    1332 ft · 37 sec · West Southern Avenue

  2. 2

    Turn right onto South Market Street

    2732 ft · 1 min · South Market Street

  3. 3

    Turn slight left onto Montgomery Pike

    1.3 mi · 2 min · Montgomery Pike

  4. 4

    Continue on US Highway 15

    11.7 mi · 17 min · US Highway 15

  5. 5

    Continue on Westbranch Highway

    2.9 mi · 4 min · Westbranch Highway

  6. 6

    Take the exit slight right toward I 80 East: Bloomsburg

    1864 ft · 59 sec

  7. 7

    Keep slight left

    2393 ft · 58 sec

  8. 8

    Merge slight left onto Keystone Shortway

    65.7 mi · 1 hr 13 min · Keystone Shortway

  9. 9

    Take the exit slight right toward PA 940, PATP, I 476: Wilkes-Barre, Allentown

    1.1 km · 1 min

  10. 10

    Keep slight left

    1217 ft · 32 sec

  11. 11

    Keep slight right to continue on I 476 South: Allentown

    1303 ft · 32 sec

  12. 12

    Merge slight left onto Pennsylvania Turnpike Northeast Extension

    74.6 mi · 1 hr 21 min · Pennsylvania Turnpike Northeast Extension

  13. 13

    Continue on Pennsylvania Turnpike Northeast Extension

    1558 ft · 24 sec · Pennsylvania Turnpike Northeast Extension

  14. 14

    Keep slight left to continue on Pennsylvania Turnpike Northeast Extension

    1179 ft · 18 sec · Pennsylvania Turnpike Northeast Extension

  15. 15

    Continue on Mid-County Expressway

    3.4 mi · 5 min · Mid-County Expressway

  16. 16

    Take the exit slight right toward I 76 East, I 76 West: Philadelphia, Valley Forge

    1758 ft · 43 sec

  17. 17

    Keep slight left to continue on I 76 East: Philadelphia

    1722 ft · 42 sec

  18. 18

    Merge slight right onto Schuylkill Expressway

    12.6 mi · 18 min · Schuylkill Expressway

  19. 19

    Keep slight left to continue on Vine Street Expressway

    1.3 km · 1 min · Vine Street Expressway

  20. 20

    Take the exit slight right toward Central Philadelphia

    731 ft · 18 sec

  21. 21

    Keep slight right to continue on 15th Street, Central Philadelphia

    96 m · 11 sec

  22. 22

    Turn right onto North 15th Street

    1987 ft · 49 sec · North 15th Street

  23. 23

    Turn slight left onto South Penn Square

    115 m · 9 sec · South Penn Square

  24. 24

    Keep slight left to continue on South Penn Square

    51 m · 3 sec · South Penn Square

  25. 25

    Arrive at your destination

    0 m · 1 sec · South Penn Square

Car Route Details

A richer read on the saved driving route between South Williamsport and Philadelphia.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
25 steps
7 turns on the saved route
Ramps & Exits
7
3 merges, 4 ramps or exits
Navigation Density
14.7 / 100 mi
Decision points by distance
Main Roads
Pennsylvania Turnpike Northeast Extension
75.1 mi · 44%
Keystone Shortway
65.7 mi · 39%
Schuylkill Expressway
12.6 mi · 7%
US Highway 15
11.7 mi · 7%
Mid-County Expressway
3.39 mi · 2%
Westbranch Highway
2.91 mi · 2%
Longest Stretch

Pennsylvania Turnpike Northeast Extension

Merge slight left onto Pennsylvania Turnpike Northeast Extension

74.6 mi · 01h 21m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
03h 12m
Long day trip
Same-Day Return
06h 24m
Round-trip wheel time
Road vs Air
+39.3 mi
130.7 mi direct line
Halfway Stop
East Side
01h 36m from South Williamsport
Leave By
10:36 AM EDT
Early departure recommended
Weather Watch

Partly Sunny leaving South Williamsport and Mostly Sunny near Philadelphia.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from South Williamsport to Philadelphia?

The road trip is about 170 miles (273.6 km) and usually takes 03h 12m 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 88.7 miles from South Williamsport and 81.3 miles from Philadelphia.

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 39.3 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 6:00 AM to 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 10:36 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $24.52 one way or $49.03 round trip. Estimated CO2 is about 53.3 kg one way.

What should you check before leaving?

Before you leave, expect Partly Sunny around South Williamsport and Mostly Sunny near Philadelphia.

Stop Ideas Near East Side

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around East Side, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to East Side.

BUS

White Haven, PA

6 mi away
I-476, Exit 95/I-80, Exit 277, at Hwy 940
BUS

Wilkes-Barre, PA

23 mi away
47 South Washington Street
BUS

Scranton, PA

40 mi away
23 Lackawanna Avenue
RAIL

Paoli

116 mi away
13 Lancaster Ave.

Flight Path Map

This map shows the direct air route between South Williamsport and Philadelphia. Straight-line distance: 130.72 mi (210.38 km).

South Williamsport

#1 South Williamsport

Borough in Lycoming County, Pennsylvania

Population6,064
Coordinates41.2320200, -76.9991300
Altitude159
CountryUnited States
Philadelphia

#2 Philadelphia

The sixth most populous city in the United States and the center of the Philadelphia metropolitan area.

Population1,578,487
Coordinates39.9523300, -75.1637900
Altitude12
CountryUnited States
Start: West Southern Avenue (-76.99908, 41.231946)
End: South Penn Square (-75.163922, 39.951648)

Estimated Travel Time

Distance: 274 km by road

SpeedTime
30 mph (48.3 km/h)05h 39m
40 mph (64.37 km/h)04h 15m
50 mph (80.47 km/h)03h 24m
60 mph (96.56 km/h)02h 50m
70 mph (112.65 km/h)02h 25m
80 mph (129 km/h)02h 07m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
6 gal
22.71 L · about $24.52
Round trip
$49.03
12 gal · 45.42 L
Estimated CO2
53.3 kg one way
Round trip: 106.6 kg / 235 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $24.52 $49.03
Mid-grade $4.60 $27.59 $55.19
Premium $4.95 $29.72 $59.45
Diesel $5.98 $35.88 $71.76

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

There is no time difference between South Williamsport and Philadelphia. The current time is 22:12:58.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.