There are
2,141 mi
from Joliet, IL to Los Altos, CA
That's the driving distance. It would take 1 day 12 hours to go from Joliet, Illinois to Los Altos, California.
The flight distance (direct flight from Joliet, IL to Los Altos, CA) is 1,825.92 mi.
2,141 mi = 3.22 kms