O'Fallon, Missouri to Westfield, Indiana: Road Trip Guide & Distance

How far is O'Fallon, Missouri from Westfield, Indiana?

The distance from O'Fallon, Missouri to Westfield, Indiana is 258.4 miles (415.9 km) as the crow flies. Westfield, Indiana is located ENE of O'Fallon, Missouri. By car, the driving distance is approximately 323.1 miles, taking about 6h 30min. A direct flight would take roughly 1h 1min. Both are located in United States — O'Fallon, Missouri in Missouri and Westfield, Indiana in Indiana.

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, Missouri and Westfield, Indiana. 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.