Air Miles Calculator

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

Distance from Dayton to Washington D.C. (Dayton International Airport – Washington Dulles International Airport) is 368 miles / 592 kilometers / 320 nautical miles.

How far is Washington D.C. from Dayton?

There are several ways to calculate distances between Dayton and Washington D.C.. 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).

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

 EDT

Washington D.C.

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 78 kg (172 pounds).

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

Dayton to Washington D.C. flight path

Shortest flight path between Dayton International Airport (DAY) and Washington Dulles International Airport (IAD).

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?