Distance between Surabaya, Indonesia and Bolu, Turkey

9806 km = 6093 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: Indonesia
Surabaya’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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Bolu, Turkey

Country: Turkey
Bolu’s coordinates: 40°44′08″ N, 31°36′21″ E
Population: 96,629
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Wikipedia article: Bolu

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