There are
1,540 mi
from Waterloo, IA to Tucson, AZ
That's the driving distance. It would take 1 day 4 hours to go from Waterloo, Iowa to Tucson, Arizona.
The flight distance (direct flight from Waterloo, IA to Tucson, AZ) is 1,238.60 mi.
1,540 mi = 2,477.74 kms