Distance between Niamey, Niger and Quincy, Massachusetts, USA
7627 km = 4739 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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Quincy, USA
Country: USAState: Massachusetts
Quincy’s coordinates: 42°15′10″ N, 71°00′08″ W
Population: 92,271
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