How far is Washington D.C. from Philadelphia?
There are several ways to calculate distances between Philadelphia and Washington D.C.. 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 Philadelphia International Airport (PHL) to Washington Dulles International Airport (IAD) is 45 minutes.
Time difference and current local times
There is no time difference between Philadelphia and Washington D.C..
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 41 kg (91 pounds).
|A||Philadelphia International Airport|
|B||Washington Dulles International Airport|
Philadelphia to Washington D.C. flight map.
Frequent Flyer Miles Calculator
Philadelphia (PHL) → Washington D.C. (IAD).