Distance between Colombo, Sri Lanka and Ambattur, India
687 km = 427 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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Colombo, Sri Lanka
Country: Sri LankaColombo’s coordinates: 6°55′54″ N, 79°50′52″ E
Population: 648,034
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Ambattur, India
Country: IndiaAmbattur’s coordinates: 13°05′53″ N, 80°09′41″ E
Population: 341,049
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