Distance between Seoul, South Korea and Mashhad, Iran
5863 km = 3643 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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Mashhad, Iran
Country: IranMashhad’s coordinates: 36°18′56″ N, 59°34′04″ E
Population: 2,307,177
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Wikipedia article: Mashhad
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