Distance between Adelaide, Australia and Udachny, Republic of Sakha (Yakutia), Russia
11503 km = 7148 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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Adelaide, Australia
Country: AustraliaAdelaide’s coordinates: 34°55′43″ S, 138°35′55″ E
Population: 1,225,235
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Udachny, Russia
Country: RussiaUdachny’s coordinates: 66°25′47″ N, 112°24′07″ E
Population: 15,266
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