Distance between Gwangju, South Korea and San Mateo, California, USA
9243 km = 5743 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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Gwangju, South Korea
Country: South KoreaGwangju’s coordinates: 35°09′16″ N, 126°54′56″ E
Population: 1,416,938
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Wikipedia article: Gwangju
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San Mateo, USA
Country: USAState: California
San Mateo’s coordinates: 37°33′46″ N, 122°19′31″ W
Population: 97,207
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Wikipedia article: San Mateo
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