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

How far is O'Fallon, Missouri from Stillwater, Oklahoma?

The distance from O'Fallon, Missouri to Stillwater, Oklahoma is 395.2 miles (636 km) as the crow flies. Stillwater, Oklahoma is located WSW of O'Fallon, Missouri. By car, the driving distance is approximately 474.2 miles, taking about 9h 32min. A direct flight would take roughly 1h 18min. Both are located in United States — O'Fallon, Missouri in Missouri and Stillwater, Oklahoma in Oklahoma.

This is a solid day of driving. Be sure to take breaks every 2-3 hours to avoid driver fatigue, and plan your meals ahead of time. 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, Missouri and Stillwater, Oklahoma. 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.