There are
1,426 mi
from Tucson, AZ to Cahokia, IL
That's the driving distance. It would take 1 day 1 hour to go from Tucson, Arizona to Cahokia, Illinois.
The flight distance (direct flight from Tucson, AZ to Cahokia, IL) is 1,244.14 mi.
1,426 mi = 1.61 kms