There are
1,787 mi
from Shoreline, WA to Waterloo, IA
That's the driving distance. It would take 1 day 7 hours to go from Shoreline, Washington to Waterloo, Iowa.
The flight distance (direct flight from Shoreline, WA to Waterloo, IA) is 1,496.74 mi.
1,787 mi = 2,875.21 kms