O'Fallon, Missouri to Richmond, Kentucky: Road Trip Guide & Distance

How far is O'Fallon, Missouri from Richmond, Kentucky?

The distance from O'Fallon, Missouri to Richmond, Kentucky is 355 miles (571.3 km) as the crow flies. Richmond, Kentucky is located E of O'Fallon, Missouri. By car, the driving distance is approximately 426 miles, taking about 8h 34min. A direct flight would take roughly 1h 13min. Both are located in United States — O'Fallon, Missouri in Missouri and Richmond, Kentucky in Kentucky.

This is a solid day of driving. Be sure to take breaks every 2-3 hours to avoid driver fatigue, and plan your meals ahead of time. 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 O'Fallon, Missouri and Richmond, Kentucky. 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.