Distance between Barnaul, Altai Krai, Russia and Koidu, Sierra Leone

9560 km = 5940 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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Barnaul, Russia

Country: Russia
Barnaul’s coordinates: 53°21′38″ N, 83°45′48″ E
Population: 599,579
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Wikipedia article: Barnaul

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Koidu, Sierra Leone

Country: Sierra Leone
Koidu’s coordinates: 8°38′37″ N, 10°58′17″ W
Population: 88,000
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Wikipedia article: Koidu

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