Distance between Helsinki, Finland and Demidov, Smolensk Oblast, Russia
670 km = 417 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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Helsinki, Finland
Country: FinlandHelsinki’s coordinates: 60°10′10″ N, 24°56′07″ E
Population: 558,457
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Demidov, Russia
Country: RussiaDemidov’s coordinates: 55°16′14″ N, 31°30′53″ E
Population: 8,516
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