Map of flight path and driving directions from Philadelphia to Williamsport.
Shortest flight path between Philadelphia International Airport (PHL) and Williamsport Regional Airport (IPT).
How far is Williamsport from Philadelphia?
There are several ways to calculate distances between Philadelphia and Williamsport. Here are two common methods:Vincenty's formula (applied above)
- 129.423 miles
- 208.287 kilometers
- 112.466 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.Haversine formula
- 129.364 miles
- 208.191 kilometers
- 112.414 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
Time difference and current local times
There is no time difference between Philadelphia and Williamsport.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 44 kg (97 pounds).
Frequent Flyer Miles Calculator
Philadelphia (PHL) → Williamsport (IPT).