Distance between Hanoi, Vietnam and Umuahia, Nigeria
10660 km = 6624 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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Hanoi, Vietnam
Country: VietnamHanoi’s coordinates: 21°01′28″ N, 105°50′28″ E
Population: 1,431,270
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Wikipedia article: Hanoi
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Umuahia, Nigeria
Country: NigeriaUmuahia’s coordinates: 5°31′29″ N, 7°29′40″ E
Population: 264,662
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Wikipedia article: Umuahia
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