Boulder to Lexington, Kentucky: Road Trip Guide & Distance

How far is Boulder from Lexington, Kentucky?

The distance from Boulder to Lexington, Kentucky is 1120.4 miles (1803.1 km) as the crow flies. Lexington, Kentucky is located E of Boulder. By car, the driving distance is approximately 1344.5 miles, taking about 27h 3min. A direct flight would take roughly 2h 45min. Both are located in United States — Boulder in Colorado and Lexington, Kentucky 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 Lexington, Kentucky. 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.