There are
1,827 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.
1,827 mi = 1.61 kms