Distance between Ottawa, Canada and Perth, Australia

18238 km = 11332 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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Perth, Australia

Country: Australia
Perth’s coordinates: 31°57′08″ S, 115°51′41″ E
Population: 1,896,548
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Wikipedia article: Perth

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