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

How far is Door County from O'Fallon, Missouri?

The distance from Door County to O'Fallon, Missouri is 465 miles (748.4 km) as the crow flies. O'Fallon, Missouri is located SSW of Door County. By car, the driving distance is approximately 558.1 miles, taking about 11h 14min. A direct flight would take roughly 1h 26min. Both are located in United States — Door County in Wisconsin and O'Fallon, Missouri in Missouri.

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 Door County 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.