Map of flight path and driving directions from Philadelphia to Reading.
Shortest flight path between Philadelphia International Airport (PHL) and Reading Regional Airport (RDG).
How far is Reading from Philadelphia?
There are several ways to calculate distances between Philadelphia and Reading. Here are two common methods:Vincenty's formula (applied above)
- 51.890 miles
- 83.508 kilometers
- 45.091 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
- 51.852 miles
- 83.448 kilometers
- 45.058 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 Reading.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 33 kg (72 pounds).
Frequent Flyer Miles Calculator
Philadelphia (PHL) → Reading (RDG).