Distance between Boston, Massachusetts, USA and Rio Branco, Brazil
5835 km = 3626 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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Boston, USA
Country: USAState: Massachusetts
Boston’s coordinates: 42°21′30″ N, 71°03′35″ W
Population: 617,594
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Wikipedia article: Boston
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Rio Branco, Brazil
Country: BrazilRio Branco’s coordinates: 9°58′28″ S, 67°48′36″ W
Population: 257,642
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Wikipedia article: Rio Branco
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