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

How far is O'Fallon, Illinois from Rockford?

The distance from O'Fallon, Illinois to Rockford is 257.8 miles (414.9 km) as the crow flies. Rockford is located N of O'Fallon, Illinois. By car, the driving distance is approximately 322.2 miles, taking about 6h 29min. A direct flight would take roughly 1h 1min. Both are located in United States.

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.

Coordinates come from public place data for O'Fallon, Illinois and Rockford. 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.