Distance between Port Sudan, Sudan and Vientiane, Laos

6849 km = 4256 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 Sudan, Sudan

Country: Sudan
Port Sudan’s coordinates: 19°37′02″ N, 37°12′59″ E
Population: 489,725
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Wikipedia article: Port Sudan

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Vientiane, Laos

Country: Laos
Vientiane’s coordinates: 17°58′00″ N, 102°35′59″ E
Population: 196,731
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Wikipedia article: Vientiane

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