Distance between Cartagena, Colombia and Romny, Amur Oblast, Russia
12822 km = 7967 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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Cartagena, Colombia
Country: ColombiaCartagena’s coordinates: 10°23′58″ N, 75°30′51″ W
Population: 952,024
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Romny, Russia
Country: RussiaRomny’s coordinates: 50°43′14″ N, 129°17′28″ E
Population: 3,413
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