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Oklahoma City–Washington D.C. | OKC–IAD
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 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.
Oklahoma City, OK
Oklahoma City to Washington D.C. flight map.
Frequent Flyer Miles Calculator
Oklahoma City (OKC) → Washington D.C. (IAD).