Distance between Sofia, Bulgaria and Heihe, China
7350 km = 4567 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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Heihe, China
Country: ChinaHeihe’s coordinates: 50°14′38″ N, 127°29′24″ E
Population: 109,427
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