There are
1,484 mi
from Sioux City, IA to Yakima, WA
That's the driving distance. It would take 1 day 1 hour to go from Sioux City, Iowa to Yakima, Washington.
The flight distance (direct flight from Sioux City, IA to Yakima, WA) is 1,215.09 mi.
1,484 mi = 1.61 kms