Distance between Washington D.C. (IAD) and Knoxville, TN (TYS)
Distance from Washington D.C. to Knoxville (Washington Dulles International Airport – Knoxville McGhee Tyson Airport) is 420 miles / 675 kilometers / 365 nautical miles.
Calculate Distance
Search by airport name, city or IATA airport code.
Multiple airports
Washington D.C. - Knoxville
How far is Knoxville from Washington D.C.?
There are several ways to calculate distances between Washington D.C. and Knoxville. 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).
Flight duration
Estimated flight time from Washington Dulles International Airport (IAD) to Knoxville 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.
Time Difference
Washington D.C.
Knoxville, TN
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 87 kg (191 pounds).
Airport information
| A | Washington Dulles International Airport |
|---|---|
| City: | Washington D.C. |
| Country: | United States  |
| IATA Code: | IAD |
| ICAO Code: | KIAD |
| Coordinates: | 38°56′40″N, 77°27′20″W |
| B | Knoxville McGhee Tyson Airport |
|---|---|
| City: | Knoxville, TN |
| Country: | United States |
| IATA Code: | TYS |
| ICAO Code: | KTYS |
| Coordinates: | 35°48′39″N, 83°59′38″W |
Washington D.C. to Knoxville flight path
Shortest flight path between Washington Dulles International Airport (IAD) and Knoxville McGhee Tyson Airport (TYS).
Frequent Flyer Miles Calculator
Washington D.C. (IAD) → Knoxville (TYS).
In total
Round trip?