There are
1,816 mi
from Waterloo, IA to Olympia, WA
That's the driving distance. It would take 1 day 7 hours to go from Waterloo, Iowa to Olympia, Washington.
The flight distance (direct flight from Waterloo, IA to Olympia, WA) is 1,521.34 mi.
1,816 mi = 2,922.98 kms