There are
1,712 mi
from Sioux City, IA to Corvallis, OR
That's the driving distance. It would take 1 day 5 hours to go from Sioux City, Iowa to Corvallis, Oregon.
The flight distance (direct flight from Sioux City, IA to Corvallis, OR) is 1,346.95 mi.
1,712 mi = 1.61 kms