Distance between Tianjin, China and North Potomac, Maryland, USA
11206 km = 6963 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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North Potomac, USA
Country: USAState: Maryland
North Potomac’s coordinates: 39°04′58″ N, 77°15′53″ W
Population: 24,410
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Wikipedia article: North Potomac
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