Distance between Surabaya, Indonesia and Gatchina, Leningrad Oblast, Russia
10301 km = 6401 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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Gatchina, Russia
Country: RussiaGatchina’s coordinates: 59°34′35″ N, 30°07′41″ E
Population: 89,761
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