Distance between Seattle, Washington, USA and Sydney, Australia
12484 km = 7757 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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Seattle, USA
Country: USAState: Washington
Seattle’s coordinates: 47°36′22″ N, 122°19′55″ W
Population: 608,660
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Wikipedia article: Seattle
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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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Wikipedia article: Sydney
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