Distance between Haiphong, Vietnam and Heihe, China
3746 km = 2328 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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Heihe, China
Country: ChinaHeihe’s coordinates: 50°14′38″ N, 127°29′24″ E
Population: 109,427
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Wikipedia article: Heihe
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