Distance between Colombo, Sri Lanka and Irkutsk, Irkutsk Oblast, Russia

5521 km = 3431 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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Colombo, Sri Lanka

Country: Sri Lanka
Colombo’s coordinates: 6°55′54″ N, 79°50′52″ E
Population: 648,034
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Wikipedia article: Colombo

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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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