Distance between Boston, Massachusetts, USA and Unaizah, Saudi Arabia
9922 km = 6165 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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Unaizah, Saudi Arabia
Country: Saudi ArabiaUnaizah’s coordinates: 26°05′03″ N, 43°59′36″ E
Population: 163,729
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Wikipedia article: Unaizah
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