Distance between Colombo, Sri Lanka and Bolama, Guinea-Bissau
10440 km = 6487 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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Bolama, Guinea-Bissau
Country: Guinea-BissauBolama’s coordinates: 11°34′36″ N, 15°28′33″ W
Population: 10,769
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Wikipedia article: Bolama
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