Distance between Riga, Latvia and Napa, California, USA
8975 km = 5577 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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Riga, Latvia
Country: LatviaRiga’s coordinates: 56°56′45″ N, 24°06′21″ E
Population: 742,572
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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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