Greenville, Texas to O'Fallon, Missouri: Road Trip Guide & Distance

How far is Greenville, Texas from O'Fallon, Missouri?

The distance from Greenville, Texas to O'Fallon, Missouri is 494.9 miles (796.5 km) as the crow flies. O'Fallon, Missouri is located NE of Greenville, Texas. By car, the driving distance is approximately 593.9 miles, taking about 11h 57min. A direct flight would take roughly 1h 30min. Both are located in United States — Greenville, Texas in Texas 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. Heading East means you'll be driving into the sunrise if you start early. Keep your windshield clean for the best visibility.

Coordinates come from public place data for Greenville, Texas 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.