Distance between Allen, Texas, USA and Haiphong, Vietnam
13537 km = 8412 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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Allen, USA
Country: USAState: Texas
Allen’s coordinates: 33°06′11″ N, 96°40′13″ W
Population: 84,246
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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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