Distance between Tbilisi, Georgia and Kostroma, Kostroma Oblast, Russia
1810 km = 1125 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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Tbilisi, Georgia
Country: GeorgiaTbilisi’s coordinates: 41°41′38″ N, 44°50′01″ E
Population: 1,049,498
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Kostroma, Russia
Country: RussiaKostroma’s coordinates: 57°45′59″ N, 40°55′36″ E
Population: 277,656
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