Distance between Irkutsk, Irkutsk Oblast, Russia and Onon, Mongolia

606 km = 376 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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Irkutsk, Russia

Country: Russia
Irkutsk’s coordinates: 52°17′52″ N, 104°17′47″ E
Population: 586,695
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Wikipedia article: Irkutsk

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Onon, Mongolia

Country: Mongolia
Onon’s coordinates: 48°37′00″ N, 110°35′59″ E
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