Distance between Rizhao, China and Cologne, Germany
8391 km = 5214 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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Rizhao, China
Country: ChinaRizhao’s coordinates: 35°23′44″ N, 119°31′55″ E
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Wikipedia article: Rizhao
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Cologne, Germany
Country: GermanyCologne’s coordinates: 50°55′59″ N, 6°57′00″ E
Population: 963,395
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Wikipedia article: Cologne
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