Distance between Bangkok, Thailand and Upper Alton, Illinois, USA

14071 km = 8743 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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Bangkok, Thailand

Country: Thailand
Bangkok’s coordinates: 13°45′14″ N, 100°30′05″ E
Population: 5,104,476
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Wikipedia article: Bangkok

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Upper Alton, USA

Country: USA
State: Illinois
Upper Alton’s coordinates: 38°54′41″ N, 90°09′02″ W
Population: 29,251
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Wikipedia article: Upper Alton

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