Distance between Athens, Greece and Porto Velho, Brazil
10411 km = 6469 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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Athens, Greece
Country: GreeceAthens’ coordinates: 37°58′46″ N, 23°42′58″ E
Population: 664,046
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Wikipedia article: Athens
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Porto Velho, Brazil
Country: BrazilPorto Velho’s coordinates: 8°45′42″ S, 63°54′14″ W
Population: 306,180
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Wikipedia article: Porto Velho
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