There are
828 mi
from Waterloo, IA to Tonawanda, NY
That's the driving distance. It would take 15 hours 28 mins to go from Waterloo, Iowa to Tonawanda, New York.
The flight distance (direct flight from Waterloo, IA to Tonawanda, NY) is 684.56 mi.
828 mi = 1,332.74 kms