Distance between Riga, Latvia and Okha, Sakhalin Oblast, Russia

6543 km = 4066 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: Latvia
Riga’s coordinates: 56°56′45″ N, 24°06′21″ E
Population: 742,572
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Okha, Russia

Country: Russia
Okha’s coordinates: 53°35′23″ N, 142°57′11″ E
Population: 26,560
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Wikipedia article: Okha

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