How far is Washington D.C. from Dayton, OH?
The distance between Dayton (Dayton International Airport) and Washington D.C. (Washington Dulles International Airport) is 368 miles / 592 kilometers / 320 nautical miles.
The driving distance from Dayton (DAY) to Washington D.C. (IAD) is 459 miles / 738 kilometers, and travel time by car is about 8 hours 57 minutes.
Dayton International Airport – Washington Dulles International Airport
Search flights
Distance from Dayton to Washington D.C.
There are several ways to calculate the distance from Dayton to Washington D.C.. Here are two standard 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 planet.
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).
How long does it take to fly from Dayton to Washington D.C.?
The estimated flight time from Dayton International Airport to Washington Dulles International Airport is 1 hour and 11 minutes.
What is the time difference between Dayton and Washington D.C.?
There is no time difference between Dayton and Washington D.C..
Flight carbon footprint between Dayton International Airport (DAY) and Washington Dulles International Airport (IAD)
On average, flying from Dayton to Washington D.C. generates about 79 kg of CO2 per passenger, and 79 kilograms equals 174 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Dayton to Washington D.C.
See the map of the shortest flight path between Dayton International Airport (DAY) and Washington Dulles International Airport (IAD).
Airport information
| Origin | Dayton International Airport |
|---|---|
| City: | Dayton, OH |
| Country: | United States  |
| IATA Code: | DAY |
| ICAO Code: | KDAY |
| Coordinates: | 39°54′8″N, 84°13′9″W |
| Destination | Washington Dulles International Airport |
|---|---|
| City: | Washington D.C. |
| Country: | United States |
| IATA Code: | IAD |
| ICAO Code: | KIAD |
| Coordinates: | 38°56′40″N, 77°27′20″W |
Airlines flying from Dayton (DAY) to Washington D.C. (IAD)
| United Airlines |