Distance between Niamey, Niger and Callao, Peru
9194 km = 5713 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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Callao, Peru
Country: PeruCallao’s coordinates: 12°03′23″ S, 77°07′05″ W
Population: 813,264
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Wikipedia article: Callao
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