Distance from San Marcos, TX to Castle Rock, CO

Driving distance from San Marcos, TX to Castle Rock, CO is 951 miles (1531 km). How far is it from San Marcos, TX to Castle Rock, CO? It's a 16 hours 17 minutes drive by car. Flight distance is approximately 764 miles (1229 km) and flight time from San Marcos, TX to Castle Rock, CO is 01 hours 32 minutes. Don't forget to check out our "Gas cost calculator" option. It will calculate cost of driving this particular distance. See the map below for the visual display of the upcoming road trip.

Driving distance
951 Miles
/
1531 Km
Driving distance
Gas consumption
38.04 Gallons
145.45 Litres
Gas consumption
Flight distance
764 Miles
/
1229 Km
Flight distance

How far is it from San Marcos, TX to Castle Rock, CO?

To travel the distance from San Marcos, TX to Castle Rock, CO, please, click on the map to see the route for the journey. "Gas Cost Calculator" tool is to your right. You can always modify it and make the number more applicable for your journey.

Book a Hotel for your trip to Castle Rock, CO

Choose a place to stay while traveling from San Marcos, TX to Castle Rock, CO. We also offer Car Rental widget for your particular journey. There are lots of options to choose from. Give it a try.

Last distance calculations