Distance between Ottawa, Canada and San Francisco, California, USA
3924 km = 2438 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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San Francisco, USA
Country: USAState: California
San Francisco’s coordinates: 37°46′29″ N, 122°25′09″ W
Population: 805,235
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Wikipedia article: San Francisco
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