Distance between Kolkata, India and Tallinn, Estonia
6387 km = 3969 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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Wikipedia article: Kolkata
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Tallinn, Estonia
Country: EstoniaTallinn’s coordinates: 59°26′13″ N, 24°45′12″ E
Population: 394,024
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Wikipedia article: Tallinn
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