Distance between Tianjin, China and Oklahoma City, Oklahoma, USA
10999 km = 6834 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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Oklahoma City, USA
Country: USAState: Oklahoma
Oklahoma City’s coordinates: 35°28′03″ N, 97°30′59″ W
Population: 579,999
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Wikipedia article: Oklahoma City
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