There are
1,109 mi
from Waterloo, IA to Kerrville, TX
That's the driving distance. It would take 20 hours 23 mins to go from Waterloo, Iowa to Kerrville, Texas.
The flight distance (direct flight from Waterloo, IA to Kerrville, TX) is 938.75 mi.
1,109 mi = 1,785.02 kms