Distance between Barcelona, Spain and Concord, California, USA
9543 km = 5930 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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Barcelona, Spain
Country: SpainBarcelona’s coordinates: 41°23′19″ N, 2°09′32″ E
Population: 1,621,537
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Wikipedia article: Barcelona
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Concord, USA
Country: USAState: California
Concord’s coordinates: 37°58′40″ N, 122°01′51″ W
Population: 122,067
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Wikipedia article: Concord
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