Distance between Rio de Janeiro, Brazil and Ontario, California, USA
10104 km = 6278 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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Rio de Janeiro, Brazil
Country: BrazilRio de Janeiro’s coordinates: 22°54′10″ S, 43°12′27″ W
Population: 6,023,699
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Wikipedia article: Rio de Janeiro
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Ontario, USA
Country: USAState: 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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