Distance between Seoul, South Korea and Hongyuan, China
2279 km = 1416 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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Wikipedia article: Seoul
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Hongyuan, China
Country: ChinaHongyuan’s coordinates: 32°47′33″ N, 102°32′34″ E
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Wikipedia article: Hongyuan
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