How far is Philadelphia from Washington D.C.?
There are several ways to calculate distances between Washington D.C. and Philadelphia. Here are two common methods:Vincenty's formula (applied above)
- 134.682 miles
- 216.750 kilometers
- 117.036 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
- 134.472 miles
- 216.412 kilometers
- 116.853 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).
Estimated flight time from Washington Dulles International Airport (IAD) to Philadelphia International Airport (PHL) is 45 minutes.
Time difference and current local times
There is no time difference between Washington D.C. and Philadelphia.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 44 kg (96 pounds).
|A||Washington Dulles International Airport|
|B||Philadelphia International Airport|
Washington D.C. to Philadelphia flight map.
Frequent Flyer Miles Calculator
Washington D.C. (IAD) → Philadelphia (PHL).