There are
1,295 mi
from Sioux City, IA to Knightdale, NC
That's the driving distance. It would take 1 day to go from Sioux City, Iowa to Knightdale, North Carolina.
The flight distance (direct flight from Sioux City, IA to Knightdale, NC) is 1,063.49 mi.
1,295 mi = 1.61 kms