Distance between Hanoi, Vietnam and Concord, North Carolina, USA
13719 km = 8525 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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Concord, USA
Country: USAState: North Carolina
Concord’s coordinates: 35°24′31″ N, 80°34′53″ W
Population: 79,066
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Wikipedia article: Concord
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