There are
1,171 mi
from Waterloo, IA to Holladay, UT
That's the driving distance. It would take 20 hours 19 mins to go from Waterloo, Iowa to Holladay, Utah.
The flight distance (direct flight from Waterloo, IA to Holladay, UT) is 1,012.47 mi.
1,171 mi = 1,884.20 kms