Guadalupe Mountains to O'Fallon, Missouri: Road Trip Guide & Distance

How far is Guadalupe Mountains from O'Fallon, Missouri?

The distance from Guadalupe Mountains to O'Fallon, Missouri is 928.6 miles (1494.5 km) as the crow flies. O'Fallon, Missouri is located NE of Guadalupe Mountains. By car, the driving distance is approximately 1114.4 miles, taking about 22h 25min. A direct flight would take roughly 2h 22min. Both are located in United States — Guadalupe Mountains in Texas and O'Fallon, Missouri in Missouri.

This is a serious multi-day road trip! We strongly recommend breaking this journey up with an overnight stay to ensure you arrive safely and refreshed. Heading East means you'll be driving into the sunrise if you start early. Keep your windshield clean for the best visibility. For a trip of this distance, flying is significantly faster. However, driving offers the flexibility to explore stops along the way.

Coordinates come from public place data for Guadalupe Mountains 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.