There are
2,164 mi
from Champaign, IL to Los Altos, CA
That's the driving distance. It would take 1 day 13 hours to go from Champaign, Illinois to Los Altos, California.
The flight distance (direct flight from Champaign, IL to Los Altos, CA) is 1,823.75 mi.
2,164 mi = 3.22 kms