Distance between Singapore, Singapore and Upper Alton, Illinois, USA
15339 km = 9531 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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Singapore, Singapore
Country: SingaporeSingapore’s coordinates: 1°17′22″ N, 103°51′00″ E
Population: 3,547,809
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Upper Alton, USA
Country: USAState: Illinois
Upper Alton’s coordinates: 38°54′41″ N, 90°09′02″ W
Population: 29,251
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