There are
2,017 mi
from Pasadena, TX to Clearlake, CA
That's the driving distance. It would take 1 day 11 hours to go from Pasadena, Texas to Clearlake, California.
The flight distance (direct flight from Pasadena, TX to Clearlake, CA) is 1,682.13 mi.
2,017 mi = 3.22 kms