Calculations with different methods
- 419.561 miles
- 675.218 kilometers
- 364.588 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
- 419.048 miles
- 674.392 kilometers
- 364.143 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 McGhee Tyson Airport (TYS) is 1 hour 17 minutes.
Time difference and current local times
There is no time difference between Washington D.C. and Knoxville.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 82 kg (182 pounds).
Washington D.C. to Knoxville flight map.
Frequent Flyer Miles Calculator
Washington D.C. (IAD) → Knoxville (TYS).