Distance between Tianjin, China and Naperville, Illinois, USA
10671 km = 6631 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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Naperville, USA
Country: USAState: Illinois
Naperville’s coordinates: 41°47′09″ N, 88°08′50″ W
Population: 141,853
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Wikipedia article: Naperville
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