Distance between Cologne, Germany and Porirua, New Zealand
18604 km = 11560 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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Cologne, Germany
Country: GermanyCologne’s coordinates: 50°55′59″ N, 6°57′00″ E
Population: 963,395
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Porirua, New Zealand
Country: New ZealandPorirua’s coordinates: 41°07′59″ S, 174°50′59″ E
Population: 50,914
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Wikipedia article: Porirua
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