Distance between Kolkata, India and Orenburg, Orenburg Oblast, Russia
4321 km = 2685 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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Orenburg, Russia
Country: RussiaOrenburg’s coordinates: 51°46′21″ N, 55°05′55″ E
Population: 550,204
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