Distance between Haiphong, Vietnam and Lang Son, Vietnam
110 km = 69 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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Haiphong, Vietnam
Country: VietnamHaiphong’s coordinates: 20°51′53″ N, 106°41′00″ E
Population: 602,695
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Wikipedia article: Haiphong
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Lang Son, Vietnam
Country: VietnamLang Son’s coordinates: 21°51′09″ N, 106°45′39″ E
Population: 55,981
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Wikipedia article: Lang Son
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