Boulder to Louisville: Road Trip Guide & Distance

How far is Boulder from Louisville?

The distance from Boulder to Louisville is 1050.7 miles (1690.9 km) as the crow flies. Louisville is located E of Boulder. By car, the driving distance is approximately 1128.8 miles, taking about 20h 8min. A direct flight would take roughly 2h 37min. Both are located in United States — Boulder in Colorado and Louisville in Kentucky.

This is a serious multi-day road trip! We strongly recommend breaking this journey up with an overnight stay to ensure you arrive safely and refreshed. Heading East means you'll be driving into the sunrise if you start early. Keep your windshield clean for the best visibility. For a trip of this distance, flying is significantly faster. However, driving offers the flexibility to explore stops along the way.

Coordinates come from public place data for Boulder and Louisville. The driving distance uses an OSRM road-route result when route data is available. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.