There are
2,040 mi
from Peoria, IL to Clearlake, CA
That's the driving distance. It would take 1 day 11 hours to go from Peoria, Illinois to Clearlake, California.
The flight distance (direct flight from Peoria, IL to Clearlake, CA) is 1,746.82 mi.
2,040 mi = 3.22 kms