There are
847 mi
from Waterloo, IA to Watauga, TX
That's the driving distance. It would take 15 hours 16 mins to go from Waterloo, Iowa to Watauga, Texas.
The flight distance (direct flight from Waterloo, IA to Watauga, TX) is 717.51 mi.
847 mi = 1,363.56 kms