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

How far is La Crosse from O'Fallon, Missouri?

The distance from La Crosse to O'Fallon, Missouri is 346 miles (556.8 km) as the crow flies. O'Fallon, Missouri is located S of La Crosse. By car, the driving distance is approximately 415.2 miles, taking about 8h 21min. A direct flight would take roughly 1h 12min. Both are located in United States — La Crosse in Wisconsin and O'Fallon, Missouri in Missouri.

This is a solid day of driving. Be sure to take breaks every 2-3 hours to avoid driver fatigue, and plan your meals ahead of time. As you head South, expect warmer temperatures. Make sure your car's AC is working well before embarking on this journey.

Coordinates come from public place data for La Crosse 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.