Air Miles Calculator

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

Flight distance from Washington D.C. to Columbus (Washington Dulles International Airport – John Glenn Columbus International Airport) is 300 miles / 482 kilometers / 260 nautical miles. Estimated flight time is 1 hour 4 minutes.

Driving distance from Washington D.C. (IAD) to Columbus (CMH) is 388 miles / 624 kilometers and travel time by car is about 7 hours 12 minutes.

Map of flight path and driving directions from Washington D.C. to Columbus.

Shortest flight path between Washington Dulles International Airport (IAD) and John Glenn Columbus International Airport (CMH).

How far is Columbus from Washington D.C.?

There are several ways to calculate distances between Washington D.C. and Columbus. Here are two common 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 – the shortest distance between two points).

Airport information


A 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

B 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

Time difference and current local times

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

Time Difference

Washington D.C.

 EDT

Columbus, OH

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 69 kg (152 pounds).

Frequent Flyer Miles Calculator

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

Distance:
300
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
300

Round trip?