There are
1,838 mi
from Cedar Park, TX to Clearlake, CA
That's the driving distance. It would take 1 day 8 hours to go from Cedar Park, Texas to Clearlake, California.
The flight distance (direct flight from Cedar Park, TX to Clearlake, CA) is 1,518.59 mi.
1,838 mi = 2,958.72 kms