Distance between N'Djamena, Chad and Lanzhou, China
9122 km = 5668 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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N'Djamena, Chad
Country: ChadN'Djamena’s coordinates: 12°06′24″ N, 15°02′39″ E
Population: 721,081
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Lanzhou, China
Country: ChinaLanzhou’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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