Dallas, Texas to O'Fallon, Illinois: Road Trip Guide & Distance
How far is Dallas, Texas from O'Fallon, Illinois?
The distance from Dallas, Texas to O'Fallon, Illinois is 557.1 miles (896.6 km) as the crow flies. O'Fallon, Illinois is located NE of Dallas, Texas. By car, the driving distance is approximately 645.6 miles, taking about 12h 6min. A direct flight would take roughly 1h 37min. Both are located in United States — Dallas, Texas in Texas and O'Fallon, Illinois in Illinois.
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, Illinois. 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, Illinois
Suggested Stops Between Dallas, Texas & O'Fallon, Illinois
- 1227 mi
- 294 mi
- 3231 mi
- 4498 mi
Quick Facts
Did You Know?
- At walking speed (3 mph), it would take about 186 hours of non-stop walking
- By bicycle at 12 mph, the journey would take roughly 46 hours
- You could travel this distance about 44.7 times to circle the Earth's equator