Castle Rock to Knoxville: Road Trip Guide & Distance

How far is Castle Rock from Knoxville?

The distance from Castle Rock to Knoxville is 1166.3 miles (1876.9 km) as the crow flies. Knoxville is located E of Castle Rock. By car, the driving distance is approximately 1399.5 miles, taking about 28h 9min. A direct flight would take roughly 2h 51min. Both are located in United States — Castle Rock in Colorado and Knoxville in Tennessee.

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 Castle Rock and Knoxville. 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.