Distance between Kolkata, India and Okha, Sakhalin Oblast, Russia
5701 km = 3543 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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Kolkata, India
Country: IndiaKolkata’s coordinates: 22°33′45″ N, 88°21′46″ E
Population: 4,631,392
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Okha, Russia
Country: RussiaOkha’s coordinates: 53°35′23″ N, 142°57′11″ E
Population: 26,560
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