O'Fallon, Missouri to Rockwall: Road Trip Guide & Distance
How far is O'Fallon, Missouri from Rockwall?
The distance from O'Fallon, Missouri to Rockwall is 518.4 miles (834.3 km) as the crow flies. Rockwall is located SW of O'Fallon, Missouri. By car, the driving distance is approximately 622.1 miles, taking about 12h 31min. A direct flight would take roughly 1h 33min. Both are located in United States — O'Fallon, Missouri in Missouri and Rockwall in Texas.
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. Since you'll be heading mostly West, pack a good pair of sunglasses if you plan to drive during the late afternoon to avoid the harsh sun glare.
Coordinates come from public place data for O'Fallon, Missouri and Rockwall. 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.
How to Get from O'Fallon, Missouri to Rockwall
Suggested Stops Between O'Fallon, Missouri & Rockwall
- 1268 mi
- 2313 mi
- 3447 mi
- 4308 mi
- 583 mi
Quick Facts
Did You Know?
- At walking speed (3 mph), it would take about 173 hours of non-stop walking
- By bicycle at 12 mph, the journey would take roughly 43 hours
- You could travel this distance about 48 times to circle the Earth's equator