There are
1,961 mi
from Rockford, IL to Pasadena, CA
That's the driving distance. It would take 1 day 10 hours to go from Rockford, Illinois to Pasadena, California.
The flight distance (direct flight from Rockford, IL to Pasadena, CA) is 1,664.32 mi.
1,961 mi = 1.61 kms