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

How far is Cape Girardeau from O'Fallon, Illinois?

The distance from Cape Girardeau to O'Fallon, Illinois is 91.4 miles (147.1 km) as the crow flies. O'Fallon, Illinois is located NNW of Cape Girardeau. By car, the driving distance is approximately 114.3 miles, taking about 2h 18min. A direct flight would take roughly 41min. Both are located in United States — Cape Girardeau in Missouri and O'Fallon, Illinois in Illinois.

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. 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 Cape Girardeau 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.