Calculations with different methods
- 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).
Estimated flight time from Washington Dulles International Airport (IAD) to Will Rogers World Airport (OKC) is 2 hours 39 minutes.
Time difference and current local times
The time difference between Washington D.C. and Oklahoma City is 1 hour. Oklahoma City is 1 hour behind Washington D.C..
Oklahoma City, OK
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 152 kg (335 pounds).
Washington D.C. to Oklahoma City flight map.
Frequent Flyer Miles Calculator
Washington D.C. (IAD) → Oklahoma City (OKC).