Distance between San Juan, Puerto Rico and Ryugasaki, Japan
13381 km = 8315 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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San Juan, Puerto Rico
Country: Puerto RicoSan Juan’s coordinates: 18°27′58″ N, 66°06′20″ W
Population: 418,140
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Ryugasaki, Japan
Country: JapanRyugasaki’s coordinates: 35°53′59″ N, 140°10′59″ E
Population: 85,761
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Wikipedia article: Ryugasaki
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