O'Fallon, Illinois to Radcliff: Road Trip Guide & Distance

How far is O'Fallon, Illinois from Radcliff?

The distance from O'Fallon, Illinois to Radcliff is 221.3 miles (356.1 km) as the crow flies. Radcliff is located ESE of O'Fallon, Illinois. By car, the driving distance is approximately 276.6 miles, taking about 5h 34min. A direct flight would take roughly 57min. Both are located in United States — O'Fallon, Illinois in Illinois and Radcliff in Kentucky.

For a drive of this length, it's recommended to plan at least one quick rest stop to stretch your legs and grab a coffee. 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, Illinois and Radcliff. 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.