Distance between Helsinki, Finland and Boulogne-sur-Mer, France
1794 km = 1115 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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Wikipedia article: Helsinki
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Boulogne-sur-Mer, France
Country: FranceBoulogne-sur-Mer’s coordinates: 50°43′00″ N, 1°37′00″ E
Population: 47,013
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Wikipedia article: Boulogne-sur-Mer
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