Distance between Surabaya, Indonesia and Prospect Heights, Illinois, USA
15656 km = 9728 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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Prospect Heights, USA
Country: USAState: Illinois
Prospect Heights’ coordinates: 42°05′43″ N, 87°56′15″ W
Population: 16,256
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Wikipedia article: Prospect Heights
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