Distance between Ottawa, Canada and Riyadh, Saudi Arabia

10303 km = 6402 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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Riyadh, Saudi Arabia

Country: Saudi Arabia
Riyadh’s coordinates: 24°41′15″ N, 46°43′18″ E
Population: 4,205,961
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Wikipedia article: Riyadh

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