There are
920 mi
from Waterloo, IA to Lufkin, TX
That's the driving distance. It would take 17 hours 30 mins to go from Waterloo, Iowa to Lufkin, Texas.
The flight distance (direct flight from Waterloo, IA to Lufkin, TX) is 781.80 mi.
920 mi = 1,481.01 kms