Distance between Sofia, Bulgaria and Yefremov, Tula Oblast, Russia
1596 km = 992 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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Sofia, Bulgaria
Country: BulgariaSofia’s coordinates: 42°41′51″ N, 23°19′26″ E
Population: 1,152,556
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Yefremov, Russia
Country: RussiaYefremov’s coordinates: 53°08′53″ N, 38°05′57″ E
Population: 45,497
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