Distance between Haiphong, Vietnam and Porto Velho, Brazil

18353 km = 11404 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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Haiphong, Vietnam

Country: Vietnam
Haiphong’s coordinates: 20°51′53″ N, 106°41′00″ E
Population: 602,695
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Wikipedia article: Haiphong

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Porto Velho, Brazil

Country: Brazil
Porto 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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