Distance between N'Djamena, Chad and Boulogne-sur-Mer, France
4468 km = 2776 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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Wikipedia article: N'Djamena
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Boulogne-sur-Mer, France
Country: FranceBoulogne-sur-Mer’s coordinates: 50°43′00″ N, 1°37′00″ E
Population: 47,013
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Wikipedia article: Boulogne-sur-Mer
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