There are
1,976 mi
from Rockford, IL to Los Alamitos, CA
That's the driving distance. It would take 1 day 10 hours to go from Rockford, Illinois to Los Alamitos, California.
The flight distance (direct flight from Rockford, IL to Los Alamitos, CA) is 1,672.12 mi.
1,976 mi = 1.61 kms