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

How far is O'Fallon, Missouri from Wheaton?

The distance from O'Fallon, Missouri to Wheaton is 251.4 miles (404.6 km) as the crow flies. Wheaton is located NNE of O'Fallon, Missouri. By car, the driving distance is approximately 314.3 miles, taking about 6h 19min. A direct flight would take roughly 1h 0min. Both are located in United States — O'Fallon, Missouri in Missouri and Wheaton 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 O'Fallon, Missouri and Wheaton. 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.