Distance between Nanjing, China and Allentown, Pennsylvania, USA
11816 km = 7342 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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Nanjing, China
Country: ChinaNanjing’s coordinates: 32°03′42″ N, 118°46′40″ E
Population: 7,165,292
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Wikipedia article: Nanjing
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Allentown, USA
Country: USAState: Pennsylvania
Allentown’s coordinates: 40°36′30″ N, 75°29′24″ W
Population: 118,032
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Wikipedia article: Allentown
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