There are
2,123 mi
from Rockford, IL to Saratoga, CA
That's the driving distance. It would take 1 day 12 hours to go from Rockford, Illinois to Saratoga, California.
The flight distance (direct flight from Rockford, IL to Saratoga, CA) is 1,771.17 mi.
2,123 mi = 3.22 kms