Distance between Colombo, Sri Lanka and Watford, United Kingdom
8741 km = 5431 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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Watford, United Kingdom
Country: United KingdomWatford’s coordinates: 51°39′19″ N, 0°23′45″ W
Population: 125,707
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Wikipedia article: Watford
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