Distance between Seoul, South Korea and Kaifeng, China
1178 km = 732 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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Seoul, South Korea
Country: South KoreaSeoul’s coordinates: 37°33′57″ N, 126°58′42″ E
Population: 10,349,312
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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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