Distance between Ulan Bator, Mongolia and Chiang Rai, Thailand
3181 km = 1977 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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Chiang Rai, Thailand
Country: ThailandChiang Rai’s coordinates: 19°54′30″ N, 99°49′56″ E
Population: 78,756
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Wikipedia article: Chiang Rai
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