Distance between Osaka, Japan and Vientiane, Laos
3748 km = 2329 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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Osaka, Japan
Country: JapanOsaka’s coordinates: 34°41′37″ N, 135°30′07″ E
Population: 2,592,413
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Vientiane, Laos
Country: LaosVientiane’s coordinates: 17°58′00″ N, 102°35′59″ E
Population: 196,731
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