Distance between Perth, Australia and Robertsport, Liberia
13903 km = 8639 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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Perth, Australia
Country: AustraliaPerth’s coordinates: 31°57′08″ S, 115°51′41″ E
Population: 1,896,548
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Wikipedia article: Perth
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Robertsport, Liberia
Country: LiberiaRobertsport’s coordinates: 6°45′11″ N, 11°22′01″ W
Population: 11,969
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Wikipedia article: Robertsport
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