Castle Rock to Rock Springs: Road Trip Guide & Distance

How far is Castle Rock from Rock Springs?

The distance from Castle Rock to Rock Springs is 274.9 miles (442.4 km) as the crow flies. Rock Springs is located NW of Castle Rock. By car, the driving distance is approximately 343.6 miles, taking about 6h 55min. A direct flight would take roughly 1h 3min. Both are located in United States — Castle Rock in Colorado and Rock Springs in Wyoming.

For a drive of this length, it's recommended to plan at least one quick rest stop to stretch your legs and grab a coffee. 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.

Coordinates come from public place data for Castle Rock and Rock Springs. 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.