Distance between Chicago, Illinois, USA and Blackrock, Ireland
5907 km = 3670 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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Blackrock, Ireland
Country: IrelandBlackrock’s coordinates: 53°18′05″ N, 6°10′40″ W
Population: 8,821
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Wikipedia article: Blackrock
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