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

How far is O'Fallon, Illinois from Smyrna?

The distance from O'Fallon, Illinois to Smyrna is 259.4 miles (417.4 km) as the crow flies. Smyrna is located SE of O'Fallon, Illinois. By car, the driving distance is approximately 324.2 miles, taking about 6h 31min. A direct flight would take roughly 1h 1min. Both are located in United States — O'Fallon, Illinois in Illinois and Smyrna in Tennessee.

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 Smyrna. 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.