Distance between Omsk, Omsk Oblast, Russia and Napa, California, USA
9546 km = 5931 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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Omsk, Russia
Country: RussiaOmsk’s coordinates: 54°59′32″ N, 73°22′06″ E
Population: 1,129,281
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Wikipedia article: Omsk
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Napa, USA
Country: USAState: California
Napa’s coordinates: 38°17′49″ N, 122°17′07″ W
Population: 76,915
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Wikipedia article: Napa
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