Miles between San Marcos, CA and Westminster, CO

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

That's the driving distance. It would take 18 hours 25 mins to go from San Marcos, California to Westminster, Colorado.

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

1,049 mi = 1.61 kms