Air Miles Calculator

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

Distance from Dayton International Airport to Washington Dulles International Airport is 368 miles / 592 kilometers / 320 nautical miles.

Calculations with different methods

Vincenty's formula (applied above)
  • 367.773 miles
  • 591.874 kilometers
  • 319.586 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
  • 366.914 miles
  • 590.490 kilometers
  • 318.839 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 Dayton International Airport (DAY) to Washington Dulles International Airport (IAD) is 1 hour 11 minutes.

Time difference and current local times

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

Time Difference

Dayton
Washington D.C.

Dayton, OH

 EST

Washington D.C.

 EST

Airport information


A 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

B Washington Dulles International Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: IAD
ICAO Code: KIAD
Coordinates: 38°56′40″N, 77°27′20″W

Map

Flight map from Dayton to Washington D.C..

Frequent Flyer Miles Calculator

Dayton (DAY) → Washington D.C. (IAD).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
368
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
368

Round trip?