Distance between Ottawa, Canada and Alameda, California, USA
3911 km = 2430 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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Alameda, USA
Country: USAState: California
Alameda’s coordinates: 37°45′54″ N, 122°14′29″ W
Population: 73,812
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Wikipedia article: Alameda
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