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

How far is Hannibal from O'Fallon, Illinois?

The distance from Hannibal to O'Fallon, Illinois is 109.4 miles (176 km) as the crow flies. O'Fallon, Illinois is located SE of Hannibal. By car, the driving distance is approximately 136.7 miles, taking about 2h 45min. A direct flight would take roughly 43min. Both are located in United States — Hannibal 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 Hannibal 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.