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

How far is Carbondale from O'Fallon, Missouri?

The distance from Carbondale to O'Fallon, Missouri is 109.9 miles (176.8 km) as the crow flies. O'Fallon, Missouri is located NW of Carbondale. By car, the driving distance is approximately 137.3 miles, taking about 2h 46min. A direct flight would take roughly 43min. Both are located in United States — Carbondale in Illinois and O'Fallon, Missouri in Missouri.

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. Since you'll be heading mostly West, pack a good pair of sunglasses if you plan to drive during the late afternoon to avoid the harsh sun glare. 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 Carbondale and O'Fallon, Missouri. 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.