Distance between Surabaya, Indonesia and Niamey, Niger
12433 km = 7725 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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Niamey, Niger
Country: NigerNiamey’s coordinates: 13°30′49″ N, 2°06′35″ E
Population: 774,235
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Wikipedia article: Niamey
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