There are
1,686 mi
from Scottsdale, AZ to St Charles, IL
That's the driving distance. It would take 1 day 7 hours to go from Scottsdale, Arizona to St Charles, Illinois.
The flight distance (direct flight from Scottsdale, AZ to St Charles, IL) is 1,409.91 mi.
1,686 mi = 1.61 kms