Air Miles Calculator

Distance between Washington D.C. (DCA) and Dayton, OH (DAY)

Distance from Ronald Reagan Washington National Airport to Dayton International Airport is 391 miles / 630 kilometers / 340 nautical miles.

Calculations with different methods

Vincenty's formula (applied above)
  • 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).

Flight duration

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.

Time Difference

Washington D.C.
Dayton

Washington D.C.

 EST

Dayton, OH

 EST

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 Dayton International Airport
City: Dayton, OH
Country: United States Flag of United States
IATA Code: DAY
ICAO Code: KDAY
Coordinates: 39°54′8″N, 84°13′9″W

Map

Flight map from Washington D.C. to Dayton.

Frequent Flyer Miles Calculator

Washington D.C. (DCA) → Dayton (DAY).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
391
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
391

Round trip?