There are
1,989 mi
from Rockford, IL to Yuba City, CA
That's the driving distance. It would take 1 day 10 hours to go from Rockford, Illinois to Yuba City, California.
The flight distance (direct flight from Rockford, IL to Yuba City, CA) is 1,706.66 mi.
1,989 mi = 1.61 kms