Distance between Athens, Greece and Thornton, Colorado, USA

9915 km = 6161 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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Athens, Greece

Country: Greece
Athens’ coordinates: 37°58′46″ N, 23°42′58″ E
Population: 664,046
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Wikipedia article: Athens

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

Thornton, USA

Country: USA
State: Colorado
Thornton’s coordinates: 39°52′04″ N, 104°58′18″ W
Population: 118,772
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Wikipedia article: Thornton

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