Distance between Sofia, Bulgaria and Unalaska, Alaska, USA
9246 km = 5745 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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Wikipedia article: Sofia
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Unalaska, USA
Country: USAState: Alaska
Unalaska’s coordinates: 53°52′24″ N, 166°32′12″ W
Population: 4,376
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Wikipedia article: Unalaska
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