There are
2,087 mi
from Brownsville, TX to Clearlake, CA
That's the driving distance. It would take 1 day 13 hours to go from Brownsville, Texas to Clearlake, California.
The flight distance (direct flight from Brownsville, TX to Clearlake, CA) is 1,711.92 mi.
2,087 mi = 3.22 kms