Distance between Port Harcourt, Nigeria and Blackwater, Australia
15444 km = 9597 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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Blackwater, Australia
Country: AustraliaBlackwater’s coordinates: 23°35′00″ S, 148°52′44″ E
Population: 7,250
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Wikipedia article: Blackwater
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