There are
1,960 mi
from Rockford, IL to Yorba Linda, CA
That's the driving distance. It would take 1 day 10 hours to go from Rockford, Illinois to Yorba Linda, California.
The flight distance (direct flight from Rockford, IL to Yorba Linda, CA) is 1,656.21 mi.
1,960 mi = 1.61 kms