Distance between Callao, Peru and Boulder, Colorado, USA

6485 km = 4030 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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Callao, Peru

Country: Peru
Callao’s coordinates: 12°03′23″ S, 77°07′05″ W
Population: 813,264
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Wikipedia article: Callao

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

Boulder, USA

Country: USA
State: Colorado
Boulder’s coordinates: 40°00′53″ N, 105°16′13″ W
Population: 97,385
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Wikipedia article: Boulder

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