Distance between Brazzaville, Congo and Herndon, Virginia, USA
10548 km = 6554 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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Brazzaville, Congo
Country: CongoBrazzaville’s coordinates: 4°15′58″ S, 15°16′59″ E
Population: 1,284,609
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Herndon, USA
Country: USAState: Virginia
Herndon’s coordinates: 38°58′10″ N, 77°23′09″ W
Population: 23,292
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