Distance between Detroit, Michigan, USA and Davenport, Iowa, USA
630 km = 391 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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Detroit, USA
Country: USAState: Michigan
Detroit’s coordinates: 42°19′53″ N, 83°02′44″ W
Population: 713,777
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Wikipedia article: Detroit
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Davenport, USA
Country: USAState: Iowa
Davenport’s coordinates: 41°31′25″ N, 90°34′39″ W
Population: 99,685
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Wikipedia article: Davenport
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