Distance between Poznań, Poland and Columbia, Maryland, USA
6897 km = 4285 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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Poznań, Poland
Country: PolandPoznań’s coordinates: 52°24′24″ N, 16°55′47″ E
Population: 570,352
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Wikipedia article: Poznań
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Columbia, USA
Country: USAState: Maryland
Columbia’s coordinates: 39°14′25″ N, 76°50′21″ W
Population: 99,615
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Wikipedia article: Columbia
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