Distance between Haiphong, Vietnam and Haydan, Yemen
6639 km = 4125 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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Haydan, Yemen
Country: YemenHaydan’s coordinates: 16°46′44″ N, 43°26′01″ E
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Wikipedia article: Haydan
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