Air Miles Calculator

Distance between Oklahoma City, OK (OKC) and Washington D.C. (IAD)

Distance from Will Rogers World Airport to Washington Dulles International Airport is 1136 miles / 1828 kilometers / 987 nautical miles.

Calculations with different methods

Vincenty's formula (applied above)
  • 1135.856 miles
  • 1827.983 kilometers
  • 987.032 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
  • 1133.426 miles
  • 1824.073 kilometers
  • 984.920 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 Will Rogers World Airport (OKC) to Washington Dulles International Airport (IAD) is 2 hours 39 minutes.

Time difference and current local times

The time difference between Oklahoma City and Washington D.C. is 1 hour. Washington D.C. is 1 hour ahead of Oklahoma City.

Time Difference

Oklahoma City
Washington D.C.

Oklahoma City, OK

 CST

Washington D.C.

 EST

Airport information


A Will Rogers World Airport
City: Oklahoma City, OK
Country: United States Flag of United States
IATA Code: OKC
ICAO Code: KOKC
Coordinates: 35°23′35″N, 97°36′2″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 Oklahoma City to Washington D.C..

Frequent Flyer Miles Calculator

Oklahoma City (OKC) → Washington D.C. (IAD).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1136
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1136

Round trip?