Distance between Tianjin, China and Portland, Texas, USA
11761 km = 7308 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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Portland, USA
Country: USAState: Texas
Portland’s coordinates: 27°52′38″ N, 97°19′25″ W
Population: 15,099
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Wikipedia article: Portland
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