Mount Vernon, Illinois to St. Louis: Road Trip Guide & Distance

How far is Mount Vernon, Illinois from St. Louis?

The distance from Mount Vernon, Illinois to St. Louis is 73.3 miles (118 km) as the crow flies. St. Louis is located WNW of Mount Vernon, Illinois. By car, the driving distance is approximately 91.7 miles, taking about 1h 51min. A direct flight would take roughly 39min. Both are located in United States — Mount Vernon, Illinois in Illinois and St. Louis 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 Mount Vernon, Illinois and St. Louis. 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.