Distance between Perth, Australia and Portsmouth Heights, Virginia, USA
18791 km = 11676 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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Portsmouth Heights, USA
Country: USAState: Virginia
Portsmouth Heights’ coordinates: 36°49′15″ N, 76°22′07″ W
Population: 99,049
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Wikipedia article: Portsmouth Heights
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