Cape Girardeau to Castle Rock: Road Trip Guide & Distance

How far is Cape Girardeau from Castle Rock?

The distance from Cape Girardeau to Castle Rock is 842.3 miles (1355.6 km) as the crow flies. Castle Rock is located WNW of Cape Girardeau. By car, the driving distance is approximately 1010.8 miles, taking about 20h 20min. A direct flight would take roughly 2h 12min. Both are located in United States — Cape Girardeau in Missouri and Castle Rock in Colorado.

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. 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. 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 Cape Girardeau and Castle Rock. 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.