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

How far is Chesterfield from O'Fallon, Missouri?

The distance from Chesterfield to O'Fallon, Missouri is 12.2 miles (19.6 km) as the crow flies. O'Fallon, Missouri is located NNW of Chesterfield. By car, the driving distance is approximately 15.8 miles, taking about 19min. A direct flight would take roughly 31min. Both are located in United States.

This is a very short trip, perfect for a quick morning drive or an easy commute. 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. Given the short distance, driving or taking a train is often faster and more convenient than dealing with airport security and flight boarding times.

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