Distance between N'Djamena, Chad and Porto, Portugal
3971 km = 2467 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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Porto, Portugal
Country: PortugalPorto’s coordinates: 41°08′58″ N, 8°36′39″ W
Population: 249,633
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Wikipedia article: Porto
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