Distance between Port Sudan, Sudan and Lanzhou, China

6681 km = 4151 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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Lanzhou, China

Country: China
Lanzhou’s coordinates: 36°03′25″ N, 103°50′23″ E
Population: 2,628,426
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Wikipedia article: Lanzhou

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