Air Miles Calculator

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

Distance from Washington Dulles International Airport to Philadelphia International Airport is 135 miles / 217 kilometers / 117 nautical miles.

Calculations with different 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).

Flight duration

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.

Time Difference

Washington D.C.
Philadelphia

Washington D.C.

 EST

Philadelphia, PA

 EST

Airport information


A 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

B 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

Map

Flight map from Washington D.C. to Philadelphia.

Frequent Flyer Miles Calculator

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

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?