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

How far is O'Fallon, Illinois from Wentzville?

The distance from O'Fallon, Illinois to Wentzville is 53 miles (85.3 km) as the crow flies. Wentzville is located WNW of O'Fallon, Illinois. By car, the driving distance is approximately 68.9 miles, taking about 1h 23min. A direct flight would take roughly 36min. Both are located in United States — O'Fallon, Illinois in Illinois and Wentzville in Missouri.

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 O'Fallon, Illinois and Wentzville. 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.