Distance between Niamey, Niger and Roubaix, France
4140 km = 2573 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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Roubaix, France
Country: FranceRoubaix’s coordinates: 50°41′39″ N, 3°10′28″ E
Population: 95,721
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Wikipedia article: Roubaix
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