Distance between Nairobi, Kenya and Ontario, California, USA

15524 km = 9646 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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Nairobi, Kenya

Country: Kenya
Nairobi’s coordinates: 1°16′59″ S, 36°49′00″ E
Population: 2,750,547
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Wikipedia article: Nairobi

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Ontario, USA

Country: USA
State: California
Ontario’s coordinates: 34°03′48″ N, 117°39′03″ W
Population: 163,924
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Wikipedia article: Ontario

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