Distance between Sofia, Bulgaria and Ontario, California, USA

10614 km = 6595 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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Sofia, Bulgaria

Country: Bulgaria
Sofia’s coordinates: 42°41′51″ N, 23°19′26″ E
Population: 1,152,556
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Wikipedia article: Sofia

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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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Find out the distance between Ontario and the North Pole, the South Pole, the Equator, the Tropic of Cancer, the Tropic of Capricorn, the Arctic Circle, the Antarctic Circle