Distance between Colombo, Sri Lanka and Unalaska, Alaska, USA
10895 km = 6770 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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Unalaska, USA
Country: USAState: Alaska
Unalaska’s coordinates: 53°52′24″ N, 166°32′12″ W
Population: 4,376
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