Distance between Ottawa, Canada and Riom, France
5865 km = 3644 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: CanadaOttawa’s coordinates: 45°24′40″ N, 75°41′53″ W
Population: 812,129
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Wikipedia article: Ottawa
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Riom, France
Country: FranceRiom’s coordinates: 45°53′59″ N, 3°07′00″ E
Population: 20,142
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Wikipedia article: Riom
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