St. Louis to Waukesha: Road Trip Guide & Distance

How far is St. Louis from Waukesha?

The distance from St. Louis to Waukesha is 319.9 miles (514.9 km) as the crow flies. Waukesha is located NNE of St. Louis. By car, the driving distance is approximately 383.9 miles, taking about 7h 43min. A direct flight would take roughly 1h 9min. Both are located in United States — St. Louis in Missouri and Waukesha in Wisconsin.

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. 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 St. Louis and Waukesha. 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.