Distance between Vienna, Austria and Napa, California, USA
9576 km = 5950 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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Vienna, Austria
Country: AustriaVienna’s coordinates: 48°12′30″ N, 16°22′19″ E
Population: 1,691,468
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Wikipedia article: Vienna
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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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