Distance between Port-au-Prince, Haiti and Udon Thani, Thailand
16000 km = 9942 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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Port-au-Prince, Haiti
Country: HaitiPort-au-Prince’s coordinates: 18°32′21″ N, 72°20′05″ W
Population: 1,234,742
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Wikipedia article: Port-au-Prince
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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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