Air Miles Calculator logo

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

The distance between Columbus (John Glenn Columbus International Airport) and Washington D.C. (Washington Dulles International Airport) is 300 miles / 482 kilometers / 260 nautical miles.

The driving distance from Columbus (CMH) to Washington D.C. (IAD) is 387 miles / 623 kilometers, and travel time by car is about 7 hours 37 minutes.

John Glenn Columbus International Airport – Washington Dulles International Airport

Distance arrow
300
Miles
Distance arrow
482
Kilometers
Distance arrow
260
Nautical miles

Search flights

Distance from Columbus to Washington D.C.

There are several ways to calculate the distance from Columbus to Washington D.C.. Here are two standard 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 planet.

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).

How long does it take to fly from Columbus to Washington D.C.?

The estimated flight time from John Glenn Columbus International Airport to Washington Dulles International Airport is 1 hour and 4 minutes.

What is the time difference between Columbus and Washington D.C.?

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

Flight carbon footprint between John Glenn Columbus International Airport (CMH) and Washington Dulles International Airport (IAD)

On average, flying from Columbus to Washington D.C. generates about 69 kg of CO2 per passenger, and 69 kilograms equals 152 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between John Glenn Columbus International Airport (CMH) and Washington Dulles International Airport (IAD).

Airport information

Origin 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
Destination 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

Airlines flying from Columbus (CMH) to Washington D.C. (IAD)

United Airlines