Distance between Udon Thani, Thailand and Quito, Ecuador
18119 km = 11259 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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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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Quito, Ecuador
Country: EcuadorQuito’s coordinates: 0°13′47″ S, 78°31′29″ W
Population: 1,399,814
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Wikipedia article: Quito
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