Distance between Hanoi, Vietnam and Kaifeng, China
1743 km = 1083 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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Hanoi, Vietnam
Country: VietnamHanoi’s coordinates: 21°01′28″ N, 105°50′28″ E
Population: 1,431,270
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Kaifeng, China
Country: ChinaKaifeng’s coordinates: 34°47′54″ N, 114°18′26″ E
Population: 900,000
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Wikipedia article: Kaifeng
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