Distance between Port Harcourt, Nigeria and Usol'ye-Sibirskoye, Irkutsk Oblast, Russia
10040 km = 6239 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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Port Harcourt, Nigeria
Country: NigeriaPort Harcourt’s coordinates: 4°46′38″ N, 7°00′48″ E
Population: 1,148,665
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Usol'ye-Sibirskoye, Russia
Country: RussiaUsol'ye-Sibirskoye’s coordinates: 52°45′06″ N, 103°38′43″ E
Population: 85,900
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