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

How far is Jacksonville, Illinois from O'Fallon, Illinois?

The distance from Jacksonville, Illinois to O'Fallon, Illinois is 80.7 miles (129.9 km) as the crow flies. O'Fallon, Illinois is located SSE of Jacksonville, Illinois. By car, the driving distance is approximately 100.9 miles, taking about 2h 2min. A direct flight would take roughly 40min. Both are located in United States.

This is a quick and easy drive, perfect for a day trip or weekend getaway. You can easily make the round trip in a single day. 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 Jacksonville, Illinois 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.