There are
812 mi
from Waterloo, IA to Mesquite, TX
That's the driving distance. It would take 15 hours 22 mins to go from Waterloo, Iowa to Mesquite, Texas.
The flight distance (direct flight from Waterloo, IA to Mesquite, TX) is 710.95 mi.
812 mi = 1,306.17 kms