Distance between Vienna, Austria and Boulogne-sur-Mer, France
1101 km = 684 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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Vienna, Austria
Country: AustriaVienna’s coordinates: 48°12′30″ N, 16°22′19″ E
Population: 1,691,468
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Wikipedia article: Vienna
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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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