Distance between Colombo, Sri Lanka and Oak Lawn, Illinois, USA
14477 km = 8996 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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Colombo, Sri Lanka
Country: Sri LankaColombo’s coordinates: 6°55′54″ N, 79°50′52″ E
Population: 648,034
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Oak Lawn, USA
Country: USAState: Illinois
Oak Lawn’s coordinates: 41°42′39″ N, 87°45′29″ W
Population: 56,690
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