Map of flight path and driving directions from Philadelphia to Allentown.
Shortest flight path between Philadelphia International Airport (PHL) and Lehigh Valley International Airport (ABE).
How far is Allentown from Philadelphia?
There are several ways to calculate distances between Philadelphia and Allentown. Here are two common methods:Vincenty's formula (applied above)
- 54.857 miles
- 88.283 kilometers
- 47.669 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
- 54.925 miles
- 88.394 kilometers
- 47.729 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 Allentown.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 33 kg (73 pounds).
Frequent Flyer Miles Calculator
Philadelphia (PHL) → Allentown (ABE).