Distance between Istanbul, Turkey and Niamey, Niger
4019 km = 2497 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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Istanbul, Turkey
Country: TurkeyIstanbul’s coordinates: 41°00′49″ N, 28°56′58″ E
Population: 11,174,257
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Niamey, Niger
Country: NigerNiamey’s coordinates: 13°30′49″ N, 2°06′35″ E
Population: 774,235
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Wikipedia article: Niamey
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