Distance between Patna, India and Chittagong, Bangladesh
771 km = 479 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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Patna, India
Country: IndiaPatna’s coordinates: 25°35′38″ N, 85°08′08″ E
Population: 1,599,920
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Chittagong, Bangladesh
Country: BangladeshChittagong’s coordinates: 22°20′18″ N, 91°49′54″ E
Population: 3,920,222
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