There are
1,775 mi
from Waterloo, IA to Kirkland, WA
That's the driving distance. It would take 1 day 6 hours to go from Waterloo, Iowa to Kirkland, Washington.
The flight distance (direct flight from Waterloo, IA to Kirkland, WA) is 1,490.31 mi.
1,775 mi = 2,857.27 kms