Calculations with different methods
- 391.161 miles
- 629.513 kilometers
- 339.910 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
- 390.251 miles
- 628.048 kilometers
- 339.119 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 Dayton International Airport (DAY) is 1 hour 14 minutes.
Time difference and current local times
There is no time difference between Washington D.C. and Dayton.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 79 kg (174 pounds).
Washington D.C. to Dayton flight map.
Frequent Flyer Miles Calculator
Washington D.C. (DCA) → Dayton (DAY).