Distance between Colombo, Sri Lanka and Uttaradit, Thailand
2500 km = 1553 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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Uttaradit, Thailand
Country: ThailandUttaradit’s coordinates: 17°37′32″ N, 100°05′39″ E
Population: 58,313
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Wikipedia article: Uttaradit
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