Distance between Colombo, Sri Lanka and Castlereagh, United Kingdom

9115 km = 5664 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 Lanka
Colombo’s coordinates: 6°55′54″ N, 79°50′52″ E
Population: 648,034
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Wikipedia article: Colombo

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Castlereagh, United Kingdom

Country: United Kingdom
Castlereagh’s coordinates: 54°34′24″ N, 5°53′04″ W
Population: 56,679
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Wikipedia article: Castlereagh

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