Distance between Cologne, Germany and Ostrava, Czech Republic

813 km = 505 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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Ostrava, Czech Republic

Country: Czech Republic
Ostrava’s coordinates: 49°50′04″ N, 18°16′55″ E
Population: 313,088
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Wikipedia article: Ostrava

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