Distance between Riga, Latvia and Tulsa, Oklahoma, USA
8251 km = 5127 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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Wikipedia article: Riga
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Tulsa, USA
Country: USAState: Oklahoma
Tulsa’s coordinates: 36°09′14″ N, 95°59′33″ W
Population: 391,906
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Wikipedia article: Tulsa
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