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

How far is O'Fallon, Illinois from Springfield, Missouri?

The distance from O'Fallon, Illinois to Springfield, Missouri is 207.7 miles (334.3 km) as the crow flies. Springfield, Missouri is located WSW of O'Fallon, Illinois. By car, the driving distance is approximately 259.7 miles, taking about 5h 13min. A direct flight would take roughly 55min. Both are located in United States — O'Fallon, Illinois in Illinois and Springfield, Missouri in Missouri.

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. Since you'll be heading mostly West, pack a good pair of sunglasses if you plan to drive during the late afternoon to avoid the harsh sun glare.

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