Distance between Niamey, Niger and Kostroma, Kostroma Oblast, Russia
5901 km = 3666 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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Niamey, Niger
Country: NigerNiamey’s coordinates: 13°30′49″ N, 2°06′35″ E
Population: 774,235
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Kostroma, Russia
Country: RussiaKostroma’s coordinates: 57°45′59″ N, 40°55′36″ E
Population: 277,656
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