Distance between Callao, Peru and St. Petersburg, Florida, USA
4474 km = 2780 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: PeruCallao’s coordinates: 12°03′23″ S, 77°07′05″ W
Population: 813,264
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St. Petersburg, USA
Country: USAState: Florida
St. Petersburg’s coordinates: 27°46′15″ N, 82°40′45″ W
Population: 244,769
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Wikipedia article: St. Petersburg
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