Distance between Philadelphia, Pennsylvania, USA and Caerphilly, United Kingdom

5500 km = 3417 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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Philadelphia, USA

Country: USA
State: Pennsylvania
Philadelphia’s coordinates: 39°57′08″ N, 75°09′49″ W
Population: 1,526,006
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Wikipedia article: Philadelphia

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Caerphilly, United Kingdom

Country: United Kingdom
Caerphilly’s coordinates: 51°34′28″ N, 3°13′04″ W
Population: 31,060
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Wikipedia article: Caerphilly

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