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Washington D.C.–Blountville | DCA–TRI
Calculations with different methods
- 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).
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.
Washington D.C. to Blountville flight map.
Frequent Flyer Miles Calculator
Washington D.C. (DCA) → Blountville (TRI).