Distance between Tianjin, China and Allentown, Pennsylvania, USA
11067 km = 6877 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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Tianjin, China
Country: ChinaTianjin’s coordinates: 39°08′31″ N, 117°10′36″ E
Population: 11,090,314
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Wikipedia article: Tianjin
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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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