Distance between Kolkata, India and Biltine, Chad
7119 km = 4424 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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Kolkata, India
Country: IndiaKolkata’s coordinates: 22°33′45″ N, 88°21′46″ E
Population: 4,631,392
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Biltine, Chad
Country: ChadBiltine’s coordinates: 14°31′59″ N, 20°55′00″ E
Population: 11,000
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