Distance between San Diego, California, USA and Decatur, Illinois, USA

2640 km = 1640 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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San Diego, USA

Country: USA
State: California
San Diego’s coordinates: 32°42′55″ N, 117°09′26″ W
Population: 1,307,402
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Wikipedia article: San Diego

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Decatur, USA

Country: USA
State: Illinois
Decatur’s coordinates: 39°50′25″ N, 88°57′17″ W
Population: 76,122
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Wikipedia article: Decatur

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Find out the distance between Decatur and the North Pole, the South Pole, the Equator, the Tropic of Cancer, the Tropic of Capricorn, the Arctic Circle, the Antarctic Circle