Distance between Niamey, Niger and Hilo, Hawaii, USA
15573 km = 9676 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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Hilo, USA
Country: USAState: Hawaii
Hilo’s coordinates: 19°43′47″ N, 155°05′26″ W
Population: 43,263
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Wikipedia article: Hilo
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