Air Miles Calculator

Distance between Philadelphia, PA (PHL) and Washington D.C. (IAD)

Distance from Philadelphia to Washington D.C. (Philadelphia International Airport – Washington Dulles International Airport) is 135 miles / 217 kilometers / 117 nautical miles.

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).

Flight duration

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..

Time Difference

Philadelphia
Washington D.C.

Philadelphia, PA

 EST

Washington D.C.

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 41 kg (91 pounds).

Airport information


A Philadelphia International Airport
City: Philadelphia, PA
Country: United States Flag of United States
IATA Code: PHL
ICAO Code: KPHL
Coordinates: 39°52′18″N, 75°14′27″W

B Washington Dulles International Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: IAD
ICAO Code: KIAD
Coordinates: 38°56′40″N, 77°27′20″W

Map

Philadelphia to Washington D.C. flight map.

Frequent Flyer Miles Calculator

Philadelphia (PHL) → Washington D.C. (IAD).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
135
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
135

Round trip?