Distance between Perth, Australia and Saint-Jean-sur-Richelieu, Canada
18355 km = 11405 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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Saint-Jean-sur-Richelieu, Canada
Country: CanadaSaint-Jean-sur-Richelieu’s coordinates: 45°18′25″ N, 73°15′45″ W
Population: 71,613
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Wikipedia article: Saint-Jean-sur-Richelieu
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