O'Fallon, Illinois to Rockwall: Road Trip Guide & Distance
How far is O'Fallon, Illinois from Rockwall?
The distance from O'Fallon, Illinois to Rockwall is 536.2 miles (862.9 km) as the crow flies. Rockwall is located SW of O'Fallon, Illinois. By car, the driving distance is approximately 643.4 miles, taking about 12h 57min. A direct flight would take roughly 1h 35min. Both are located in United States — O'Fallon, Illinois in Illinois 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, Illinois 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, Illinois to Rockwall
Suggested Stops Between O'Fallon, Illinois & Rockwall
- 1332 mi
- 2464 mi
- 3327 mi
- 463 mi
Quick Facts
Did You Know?
- At walking speed (3 mph), it would take about 179 hours of non-stop walking
- By bicycle at 12 mph, the journey would take roughly 45 hours
- You could travel this distance about 46.4 times to circle the Earth's equator