Distance between Seattle, Washington, USA and Mackay, Australia

11631 km = 7227 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: USA
State: 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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Mackay, Australia

Country: Australia
Mackay’s coordinates: 21°09′12″ S, 149°09′55″ E
Population: 74,219
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Wikipedia article: Mackay

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