There are
2,078 mi
from Santee, CA to Riverdale, IL
That's the driving distance. It would take 1 day 12 hours to go from Santee, California to Riverdale, Illinois.
The flight distance (direct flight from Santee, CA to Riverdale, IL) is 1,714.39 mi.
2,078 mi = 3,344.53 kms