Distance between Rio de Janeiro, Brazil and Udon Thani, Thailand

16440 km = 10215 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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Rio de Janeiro, Brazil

Country: Brazil
Rio de Janeiro’s coordinates: 22°54′10″ S, 43°12′27″ W
Population: 6,023,699
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Wikipedia article: Rio de Janeiro

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Udon Thani, Thailand

Country: Thailand
Udon 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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