Distance between Chicago, Illinois, USA and Busan, South Korea
10690 km = 6642 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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Chicago, USA
Country: USAState: Illinois
Chicago’s coordinates: 41°51′00″ N, 87°39′00″ W
Population: 2,695,598
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Busan, South Korea
Country: South KoreaBusan’s coordinates: 35°06′10″ N, 129°02′25″ E
Population: 3,678,555
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Wikipedia article: Busan
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