Air Miles Calculator

Distance between Knoxville, TN (TYS) and Washington D.C. (DCA)

Flight distance from Knoxville to Washington D.C. (Knoxville McGhee Tyson Airport – Ronald Reagan Washington National Airport) is 437 miles / 703 kilometers / 379 nautical miles. Estimated flight time is 1 hour 19 minutes.

Driving distance from Knoxville (TYS) to Washington D.C. (DCA) is 505 miles / 813 kilometers and travel time by car is about 9 hours 0 minutes.

Map of flight path and driving directions from Knoxville to Washington D.C..

Shortest flight path between Knoxville McGhee Tyson Airport (TYS) and Ronald Reagan Washington National Airport (DCA).

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)
  • 436.538 miles
  • 702.540 kilometers
  • 379.341 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
  • 435.942 miles
  • 701.581 kilometers
  • 378.823 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).

Airport information


A Knoxville McGhee Tyson Airport
City: Knoxville, TN
Country: United States Flag of United States
IATA Code: TYS
ICAO Code: KTYS
Coordinates: 35°48′39″N, 83°59′38″W

B Ronald Reagan Washington National Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: DCA
ICAO Code: KDCA
Coordinates: 38°51′7″N, 77°2′15″W

Time difference and current local times

There is no time difference between Knoxville and Washington D.C..

Time Difference

Knoxville, TN

 EDT

Washington D.C.

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 89 kg (197 pounds).

Frequent Flyer Miles Calculator

Knoxville (TYS) → Washington D.C. (DCA).

Distance:
437
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
437

Round trip?