Distance between Sydney, Australia and Amadora, Portugal
18205 km = 11312 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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Sydney, Australia
Country: AustraliaSydney’s coordinates: 33°52′04″ S, 151°12′26″ E
Population: 4,627,345
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Amadora, Portugal
Country: PortugalAmadora’s coordinates: 38°45′13″ N, 9°13′50″ W
Population: 178,858
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Wikipedia article: Amadora
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