Air Miles Calculator

Distance between Phoenix, AZ (PHX) and Washington D.C. (IAD)

Distance from Phoenix Sky Harbor International Airport to Washington Dulles International Airport is 1956 miles / 3148 kilometers / 1700 nautical miles.

Calculations with different methods

Vincenty's formula (applied above)
  • 1956.227 miles
  • 3148.242 kilometers
  • 1699.915 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
  • 1952.086 miles
  • 3141.577 kilometers
  • 1696.316 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 Phoenix Sky Harbor International Airport (PHX) to Washington Dulles International Airport (IAD) is 4 hours 12 minutes.

Time difference and current local times

The time difference between Phoenix and Washington D.C. is 2 hours. Washington D.C. is 2 hours ahead of Phoenix.

Time Difference

Phoenix
Washington D.C.

Phoenix, AZ

 MST

Washington D.C.

 EST

Airport information


A Phoenix Sky Harbor International Airport
City: Phoenix, AZ
Country: United States Flag of United States
IATA Code: PHX
ICAO Code: KPHX
Coordinates: 33°26′3″N, 112°0′43″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

Flight map from Phoenix to Washington D.C..

Frequent Flyer Miles Calculator

Phoenix (PHX) → Washington D.C. (IAD).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1956
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1956

Round trip?