Distance between Irkutsk, Irkutsk Oblast, Russia and Sofia, Bulgaria
5858 km = 3640 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: RussiaIrkutsk’s coordinates: 52°17′52″ N, 104°17′47″ E
Population: 586,695
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Wikipedia article: Irkutsk
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Sofia, Bulgaria
Country: BulgariaSofia’s coordinates: 42°41′51″ N, 23°19′26″ E
Population: 1,152,556
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