There are
1,973 mi
from Rockford, IL to Cudahy, CA
That's the driving distance. It would take 1 day 10 hours to go from Rockford, Illinois to Cudahy, California.
The flight distance (direct flight from Rockford, IL to Cudahy, CA) is 1,672.50 mi.
1,973 mi = 1.61 kms