There are
1,860 mi
from Waterloo, IA to Tualatin, OR
That's the driving distance. It would take 1 day 8 hours to go from Waterloo, Iowa to Tualatin, Oregon.
The flight distance (direct flight from Waterloo, IA to Tualatin, OR) is 1,517.47 mi.
1,860 mi = 2,993.42 kms