Distance between Chicago, Illinois, USA and Unalaska, Alaska, USA
5725 km = 3557 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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Wikipedia article: Chicago
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Unalaska, USA
Country: USAState: Alaska
Unalaska’s coordinates: 53°52′24″ N, 166°32′12″ W
Population: 4,376
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Wikipedia article: Unalaska
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