Distance between Perth, Australia and East Riverdale, Maryland, USA
18642 km = 11584 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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East Riverdale, USA
Country: USAState: Maryland
East Riverdale’s coordinates: 38°57′43″ N, 76°55′18″ W
Population: 15,509
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Wikipedia article: East Riverdale
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