There are
1,917 mi
from Waterloo, IA to Paso Robles, CA
That's the driving distance. It would take 1 day 10 hours to go from Waterloo, Iowa to Paso Robles, California.
The flight distance (direct flight from Waterloo, IA to Paso Robles, CA) is 1,584.63 mi.
1,917 mi = 3,085.33 kms