Clinton, Iowa to O'Fallon, Missouri: Road Trip Guide & Distance

How far is Clinton, Iowa from O'Fallon, Missouri?

The distance from Clinton, Iowa to O'Fallon, Missouri is 211.3 miles (340.1 km) as the crow flies. O'Fallon, Missouri is located S of Clinton, Iowa. By car, the driving distance is approximately 264.1 miles, taking about 5h 19min. A direct flight would take roughly 56min. Both are located in United States — Clinton, Iowa in Iowa and O'Fallon, Missouri in Missouri.

For a drive of this length, it's recommended to plan at least one quick rest stop to stretch your legs and grab a coffee.

Coordinates come from public place data for Clinton, Iowa and O'Fallon, Missouri. The driving distance is estimated from straight-line distance with a road-factor model, so confirm the route in your navigation app. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.