Distance between Perth, Australia and East Concord, New Hampshire, USA
18623 km = 11572 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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East Concord, USA
Country: USAState: New Hampshire
East Concord’s coordinates: 43°14′31″ N, 71°32′17″ W
Population: 42,605
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Wikipedia article: East Concord
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