Distance between Seattle, Washington, USA and Poronaysk, Sakhalin Oblast, Russia

6500 km = 4039 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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Poronaysk, Russia

Country: Russia
Poronaysk’s coordinates: 49°13′18″ N, 143°05′48″ E
Population: 16,677
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Wikipedia article: Poronaysk

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