Map of flight path and driving directions from Washington D.C. to Dayton.
Shortest flight path between Washington Dulles International Airport (IAD) and Dayton International Airport (DAY).
How far is Dayton from Washington D.C.?
There are several ways to calculate distances between Washington D.C. and Dayton. Here are two common 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 – the shortest distance between two points).
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).
Frequent Flyer Miles Calculator
Washington D.C. (IAD) → Dayton (DAY).