McKinney to O'Fallon, Missouri: Road Trip Guide & Distance
How far is McKinney from O'Fallon, Missouri?
The distance from McKinney to O'Fallon, Missouri is 509.4 miles (819.8 km) as the crow flies. O'Fallon, Missouri is located NE of McKinney. By car, the driving distance is approximately 611.3 miles, taking about 12h 18min. A direct flight would take roughly 1h 31min. Both are located in United States — McKinney 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 McKinney and O'Fallon, Missouri. 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, Missouri
Suggested Stops Between McKinney & O'Fallon, Missouri
- 1242 mi
- 2197 mi
- 3258 mi
- 469 mi
- 5202 mi
Quick Facts
Did You Know?
- At walking speed (3 mph), it would take about 170 hours of non-stop walking
- By bicycle at 12 mph, the journey would take roughly 42 hours
- You could travel this distance about 48.9 times to circle the Earth's equator