Air Miles Calculator

Distance between Washington D.C. (DCA) and Blountville, TN (TRI)

Distance from Washington D.C. to Blountville (Tri-Cities Regional Airport – Ronald Reagan Washington National Airport) is 337 miles / 542 kilometers / 293 nautical miles.

Calculations with different methods

Vincenty's formula (applied above)
  • 336.869 miles
  • 542.138 kilometers
  • 292.731 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
  • 336.408 miles
  • 541.397 kilometers
  • 292.331 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).

Flight duration

Estimated flight time from Ronald Reagan Washington National Airport (DCA) to Tri-Cities Regional Airport (TRI) is 1 hour 8 minutes.

Time difference and current local times

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

Time Difference

Washington D.C.
Blountville

Washington D.C.

 EDT

Blountville, TN

 EDT

Airport information


A 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

B Tri-Cities Regional Airport
City: Blountville, TN
Country: United States Flag of United States
IATA Code: TRI
ICAO Code: KTRI
Coordinates: 36°28′30″N, 82°24′26″W

Map

Washington D.C. to Blountville flight map.

Frequent Flyer Miles Calculator

Washington D.C. (DCA) → Blountville (TRI).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
337
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
337

Round trip?