McKinney to O'Fallon, Illinois: Road Trip Guide & Distance
How far is McKinney from O'Fallon, Illinois?
The distance from McKinney to O'Fallon, Illinois is 528.6 miles (850.7 km) as the crow flies. O'Fallon, Illinois is located NE of McKinney. By car, the driving distance is approximately 634.3 miles, taking about 12h 46min. A direct flight would take roughly 1h 34min. Both are located in United States — McKinney 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 McKinney and O'Fallon, Illinois. 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 McKinney to O'Fallon, Illinois
Suggested Stops Between McKinney & O'Fallon, Illinois
- 1197 mi
- 269 mi
- 3202 mi
- 4470 mi
- 557 mi
Quick Facts
Did You Know?
- At walking speed (3 mph), it would take about 176 hours of non-stop walking
- By bicycle at 12 mph, the journey would take roughly 44 hours
- You could travel this distance about 47.1 times to circle the Earth's equator