There are
1,632 mi
from Pasco, WA to Waterloo, IA
That's the driving distance. It would take 1 day 4 hours to go from Pasco, Washington to Waterloo, Iowa.
The flight distance (direct flight from Pasco, WA to Waterloo, IA) is 1,340.08 mi.
1,632 mi = 2,626.28 kms