Distance between Guangzhou, China and Gaithersburg, Maryland, USA
13022 km = 8091 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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Guangzhou, China
Country: ChinaGuangzhou’s coordinates: 23°07′00″ N, 113°15′00″ E
Population: 11,071,424
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Gaithersburg, USA
Country: USAState: Maryland
Gaithersburg’s coordinates: 39°08′36″ N, 77°12′04″ W
Population: 59,933
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Wikipedia article: Gaithersburg
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