Distance between Surabaya, Indonesia and Zhengzhou, China
4677 km = 2906 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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Surabaya, Indonesia
Country: IndonesiaSurabaya’s coordinates: 7°14′57″ S, 112°45′02″ E
Population: 2,374,658
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Wikipedia article: Surabaya
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Zhengzhou, China
Country: ChinaZhengzhou’s coordinates: 34°45′28″ N, 113°38′54″ E
Population: 4,253,913
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Wikipedia article: Zhengzhou
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