Dallas, Texas to O'Fallon, Missouri: Road Trip Guide & Distance
How far is Dallas, Texas from O'Fallon, Missouri?
The distance from Dallas, Texas to O'Fallon, Missouri is 538.7 miles (867 km) as the crow flies. O'Fallon, Missouri is located NE of Dallas, Texas. By car, the driving distance is approximately 624.3 miles, taking about 11h 50min. A direct flight would take roughly 1h 35min. Both are located in United States — Dallas, Texas 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.
Coordinates come from public place data for Dallas, Texas and O'Fallon, Missouri. The driving distance uses an OSRM road-route result when route data is available. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.
How to Get from Dallas, Texas to O'Fallon, Missouri
Suggested Stops Between Dallas, Texas & O'Fallon, Missouri
- 1272 mi
- 2227 mi
- 360 mi
- 494 mi
- 570 mi
Quick Facts
Did You Know?
- At walking speed (3 mph), it would take about 180 hours of non-stop walking
- By bicycle at 12 mph, the journey would take roughly 45 hours
- You could travel this distance about 46.2 times to circle the Earth's equator