Distance between Indianapolis, Indiana, USA and O'Fallon, Missouri, USA

406 km = 252 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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Indianapolis, USA

Country: USA
State: Indiana
Indianapolis’ coordinates: 39°46′06″ N, 86°09′28″ W
Population: 829,718
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Wikipedia article: Indianapolis

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O'Fallon, USA

Country: USA
State: Missouri
O'Fallon’s coordinates: 38°48′38″ N, 90°41′59″ W
Population: 79,329
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Wikipedia article: O'Fallon

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