Distance between Cologne, Germany and Bac Kan, Vietnam
8718 km = 5417 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: GermanyCologne’s coordinates: 50°55′59″ N, 6°57′00″ E
Population: 963,395
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Bac Kan, Vietnam
Country: VietnamBac Kan’s coordinates: 22°08′49″ N, 105°50′05″ E
Population: 17,701
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Wikipedia article: Bac Kan
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