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

How far is O'Fallon, Illinois from Olive Branch?

The distance from O'Fallon, Illinois to Olive Branch is 250.9 miles (403.8 km) as the crow flies. Olive Branch is located S of O'Fallon, Illinois. By car, the driving distance is approximately 313.7 miles, taking about 6h 19min. A direct flight would take roughly 1h 0min. Both are located in United States — O'Fallon, Illinois in Illinois and Olive Branch in Mississippi.

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 Olive Branch. 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.