Des Moines to O'Fallon, Illinois: Road Trip Guide & Distance

How far is Des Moines from O'Fallon, Illinois?

The distance from Des Moines to O'Fallon, Illinois is 285.1 miles (458.9 km) as the crow flies. O'Fallon, Illinois is located SE of Des Moines. By car, the driving distance is approximately 356.4 miles, taking about 7h 10min. A direct flight would take roughly 1h 4min. Both are located in United States — Des Moines in Iowa and O'Fallon, Illinois in Illinois.

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. Heading East means you'll be driving into the sunrise if you start early. Keep your windshield clean for the best visibility.

Coordinates come from public place data for Des Moines and O'Fallon, Illinois. 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.