Distance between Naples, Italy and Udon Thani, Thailand

8642 km = 5370 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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Naples, Italy

Country: Italy
Naples’ coordinates: 40°51′22″ N, 14°14′47″ E
Population: 959,470
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Wikipedia article: Naples

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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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