Distance between N'Djamena, Chad and Frederickson, Washington, USA
12207 km = 7585 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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N'Djamena, Chad
Country: ChadN'Djamena’s coordinates: 12°06′24″ N, 15°02′39″ E
Population: 721,081
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Wikipedia article: N'Djamena
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Frederickson, USA
Country: USAState: Washington
Frederickson’s coordinates: 47°05′46″ N, 122°21′31″ W
Population: 18,719
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Wikipedia article: Frederickson
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