Air Miles Calculator

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

Distance from Columbus to Washington D.C. (Washington Dulles International Airport – John Glenn Columbus International Airport) is 300 miles / 482 kilometers / 260 nautical miles.

Calculations with different methods

Vincenty's formula (applied above)
  • 299.553 miles
  • 482.083 kilometers
  • 260.304 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
  • 298.884 miles
  • 481.007 kilometers
  • 259.723 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 Washington Dulles International Airport (IAD) is 1 hour 4 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

 EDT

Washington D.C.

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 67 kg (148 pounds).

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 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

Map

Columbus to Washington D.C. flight map.

Frequent Flyer Miles Calculator

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

Elite level bonus (%):
Booking class bonus (%):
Air miles:
300
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
300

Round trip?