Distance between Colombo, Sri Lanka and Riverside, California, USA
15136 km = 9405 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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Wikipedia article: Colombo
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Riverside, USA
Country: USAState: California
Riverside’s coordinates: 33°57′12″ N, 117°23′46″ W
Population: 303,871
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Wikipedia article: Riverside
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