Distance between Port Harcourt, Nigeria and Concord, California, USA
12950 km = 8047 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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Wikipedia article: Port Harcourt
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Concord, USA
Country: USAState: California
Concord’s coordinates: 37°58′40″ N, 122°01′51″ W
Population: 122,067
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Wikipedia article: Concord
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