Distance between Namp'o, North Korea and Naperville, Illinois, USA
10451 km = 6494 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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Namp'o, North Korea
Country: North KoreaNamp'o’s coordinates: 38°44′14″ N, 125°24′28″ E
Population: 455,000
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Wikipedia article: Namp'o
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Naperville, USA
Country: USAState: Illinois
Naperville’s coordinates: 41°47′09″ N, 88°08′50″ W
Population: 141,853
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Wikipedia article: Naperville
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