There are
1,435 mi
from Tucson, AZ to Alton, IL
That's the driving distance. It would take 1 day 2 hours to go from Tucson, Arizona to Alton, Illinois.
The flight distance (direct flight from Tucson, AZ to Alton, IL) is 1,250.08 mi.
1,435 mi = 1.61 kms