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

How far is McAlester from O'Fallon, Illinois?

The distance from McAlester to O'Fallon, Illinois is 411 miles (661.5 km) as the crow flies. O'Fallon, Illinois is located NE of McAlester. By car, the driving distance is approximately 493.2 miles, taking about 9h 55min. A direct flight would take roughly 1h 20min. Both are located in United States — McAlester in Oklahoma and O'Fallon, Illinois in Illinois.

This is a solid day of driving. Be sure to take breaks every 2-3 hours to avoid driver fatigue, and plan your meals ahead of time. 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 McAlester 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.