Distance between Haiphong, Vietnam and San Tan Valley, Arizona, USA
12779 km = 7941 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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San Tan Valley, USA
Country: USAState: Arizona
San Tan Valley’s coordinates: 33°11′27″ N, 111°31′40″ W
Population: 81,321
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Wikipedia article: San Tan Valley
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