Distance between Seoul, South Korea and Tangshan, China
799 km = 496 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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Tangshan, China
Country: ChinaTangshan’s coordinates: 39°37′59″ N, 118°10′59″ E
Population: 3,372,102
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Wikipedia article: Tangshan
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