Distance between Ulan Bator, Mongolia and West Chester, Pennsylvania, USA
10253 km = 6371 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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Ulan Bator, Mongolia
Country: MongoliaUlan Bator’s coordinates: 47°54′27″ N, 106°52′59″ E
Population: 844,818
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Wikipedia article: Ulan Bator
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West Chester, USA
Country: USAState: Pennsylvania
West Chester’s coordinates: 39°57′39″ N, 75°36′28″ W
Population: 18,461
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Wikipedia article: West Chester
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