Miles between Westminster, CO and San Marcos, CA

There are
1,049 mi
from Westminster, CO to San Marcos, CA

That's the driving distance. It would take 18 hours 22 mins to go from Westminster, Colorado to San Marcos, California.

The flight distance (direct flight from Westminster, CO to San Marcos, CA) is 815.99 mi.

1,049 mi = 1.61 kms