Air Miles Calculator

Distance between Columbus, OH (CMH) and Washington D.C. (DCA)

Distance from John Glenn Columbus International Airport to Ronald Reagan Washington National Airport is 323 miles / 520 kilometers / 281 nautical miles.

Calculations with different methods

Vincenty's formula (applied above)
  • 322.974 miles
  • 519.776 kilometers
  • 280.657 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
  • 322.255 miles
  • 518.619 kilometers
  • 280.032 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 John Glenn Columbus International Airport (CMH) to Ronald Reagan Washington National Airport (DCA) is 1 hour 6 minutes.

Time difference and current local times

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

Time Difference

Columbus
Washington D.C.

Columbus, OH

 EST

Washington D.C.

 EST

Airport information


A John Glenn Columbus International Airport
City: Columbus, OH
Country: United States Flag of United States
IATA Code: CMH
ICAO Code: KCMH
Coordinates: 39°59′52″N, 82°53′30″W

B 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

Map

Flight map from Columbus to Washington D.C..

Frequent Flyer Miles Calculator

Columbus (CMH) → Washington D.C. (DCA).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
323
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
323

Round trip?