Distance between Ottawa, Canada and Columbia, Maryland, USA

693 km = 431 miles

We assume a spherical Earth as a close approximation of the true shape of the Earth (an oblate spheroid). The distance is calculated as great-circle or orthodromic distance between city centres on the surface of a sphere.

Find out the time difference between Ottawa and Columbia

Ottawa, Canada

Country: Canada
Ottawa’s coordinates: 45°24′40″ N, 75°41′53″ W
Population: 812,129
Find out what time it is in Ottawa right now
Wikipedia article: Ottawa

Find out the distance between Ottawa and other cities
Find out the distance between Ottawa and the North Pole, the South Pole, the Equator, the Tropic of Cancer, the Tropic of Capricorn, the Arctic Circle, the Antarctic Circle

Columbia, USA

Country: USA
State: Maryland
Columbia’s coordinates: 39°14′25″ N, 76°50′21″ W
Population: 99,615
Find out what time it is in Columbia right now
Wikipedia article: Columbia

Find out the distance between Columbia and other cities
Find out the distance between Columbia and the North Pole, the South Pole, the Equator, the Tropic of Cancer, the Tropic of Capricorn, the Arctic Circle, the Antarctic Circle