Distance between Constantine, Algeria and Udon Thani, Thailand
9413 km = 5849 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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Constantine, Algeria
Country: AlgeriaConstantine’s coordinates: 36°21′54″ N, 6°36′52″ E
Population: 450,097
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Udon Thani, Thailand
Country: ThailandUdon Thani’s coordinates: 17°24′56″ N, 102°47′09″ E
Population: 247,231
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Wikipedia article: Udon Thani
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