Map of flight path and driving directions from Knoxville to Washington D.C..
Shortest flight path between Knoxville McGhee Tyson Airport (TYS) and Washington Dulles International Airport (IAD).
How far is Washington D.C. from Knoxville?
There are several ways to calculate distances between Knoxville and Washington D.C.. Here are two common methods:Vincenty's formula (applied above)
- 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 – the shortest distance between two points).
Time difference and current local times
There is no time difference between Knoxville and Washington D.C..
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 87 kg (191 pounds).
Frequent Flyer Miles Calculator
Knoxville (TYS) → Washington D.C. (IAD).