Distance between Jacksonville, Florida, USA and Blackrock, Ireland
6424 km = 3992 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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Jacksonville, USA
Country: USAState: Florida
Jacksonville’s coordinates: 30°19′55″ N, 81°39′20″ W
Population: 821,784
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Wikipedia article: Jacksonville
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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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