There are
1,822 mi
from Mesquite, TX to Clearlake, CA
That's the driving distance. It would take 1 day 8 hours to go from Mesquite, Texas to Clearlake, California.
The flight distance (direct flight from Mesquite, TX to Clearlake, CA) is 1,512.92 mi.
1,822 mi = 2,931.93 kms