Distance between Daejeon, South Korea and Okawa, Japan
439 km = 273 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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Daejeon, South Korea
Country: South KoreaDaejeon’s coordinates: 36°19′17″ N, 127°25′10″ E
Population: 1,475,221
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Wikipedia article: Daejeon
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Okawa, Japan
Country: JapanOkawa’s coordinates: 33°12′00″ N, 130°20′59″ E
Population: 39,223
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Wikipedia article: Okawa
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