Mount Vernon, Illinois to Wentzville: Road Trip Guide & Distance

How far is Mount Vernon, Illinois from Wentzville?

The distance from Mount Vernon, Illinois to Wentzville is 110.7 miles (178.2 km) as the crow flies. Wentzville is located WNW of Mount Vernon, Illinois. By car, the driving distance is approximately 138.4 miles, taking about 2h 47min. A direct flight would take roughly 43min. Both are located in United States — Mount Vernon, Illinois in Illinois and Wentzville 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 Mount Vernon, 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.