Distance between San Juan, Puerto Rico and Ketchikan, Alaska, USA
6797 km = 4224 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 Juan, Puerto Rico
Country: Puerto RicoSan Juan’s coordinates: 18°27′58″ N, 66°06′20″ W
Population: 418,140
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Ketchikan, USA
Country: USAState: Alaska
Ketchikan’s coordinates: 55°20′32″ N, 131°38′52″ W
Population: 8,050
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Wikipedia article: Ketchikan
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