Distance between Cologne, Germany and Parma, Ohio, USA

6498 km = 4037 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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Cologne, Germany

Country: Germany
Cologne’s coordinates: 50°55′59″ N, 6°57′00″ E
Population: 963,395
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Wikipedia article: Cologne

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Parma, USA

Country: USA
State: Ohio
Parma’s coordinates: 41°24′17″ N, 81°43′22″ W
Population: 81,601
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Wikipedia article: Parma

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