Distance between Niamey, Niger and Sơn La, Vietnam
10660 km = 6624 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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Sơn La, Vietnam
Country: VietnamSơn La’s coordinates: 21°19′32″ N, 103°55′07″ E
Population: 19,054
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