There are
2,121 mi
from Decatur, IL to Saratoga, CA
That's the driving distance. It would take 1 day 12 hours to go from Decatur, Illinois to Saratoga, California.
The flight distance (direct flight from Decatur, IL to Saratoga, CA) is 1,785.44 mi.
2,121 mi = 3.22 kms