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How far is Washington D.C. from Dayton, OH?

The distance between Dayton (Dayton International Airport) and Washington D.C. (Ronald Reagan Washington National Airport) is 391 miles / 630 kilometers / 340 nautical miles.

The driving distance from Dayton (DAY) to Washington D.C. (DCA) is 466 miles / 750 kilometers, and travel time by car is about 9 hours 7 minutes.

Dayton International Airport – Ronald Reagan Washington National Airport

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391
Miles
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630
Kilometers
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340
Nautical miles

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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)
  • 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 planet.

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 – 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 Ronald Reagan Washington National Airport is 1 hour and 14 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 Ronald Reagan Washington National Airport (DCA)

On average, flying from Dayton to Washington D.C. generates about 83 kg of CO2 per passenger, and 83 kilograms equals 182 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 Ronald Reagan Washington National Airport (DCA).

Airport information

Origin 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
Destination 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

Airlines flying from Dayton (DAY) to Washington D.C. (DCA)

American Airlines