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

How far is Jefferson City from O'Fallon, Illinois?

The distance from Jefferson City to O'Fallon, Illinois is 122.2 miles (196.6 km) as the crow flies. O'Fallon, Illinois is located E of Jefferson City. By car, the driving distance is approximately 152.7 miles, taking about 3h 4min. A direct flight would take roughly 45min. Both are located in United States — Jefferson City in Missouri 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. Given the short distance, driving or taking a train is often faster and more convenient than dealing with airport security and flight boarding times.

Coordinates come from public place data for Jefferson City 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.