Distance between Ottawa, Canada and Boulder, Australia

17829 km = 11078 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.

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Ottawa, Canada

Country: Canada
Ottawa’s coordinates: 45°24′40″ N, 75°41′53″ W
Population: 812,129
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Wikipedia article: Ottawa

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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

Boulder, Australia

Country: Australia
Boulder’s coordinates: 30°46′55″ S, 121°29′28″ E
Population: 5,178
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Wikipedia article: Boulder

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