There are
2,080 mi
from Elgin, IL to Clearlake, CA
That's the driving distance. It would take 1 day 12 hours to go from Elgin, Illinois to Clearlake, California.
The flight distance (direct flight from Elgin, IL to Clearlake, CA) is 1,804.78 mi.
2,080 mi = 3.22 kms