There are
581 mi
from Sioux City, IA to Greenwood Village, CO
That's the driving distance. It would take 10 hours 55 mins to go from Sioux City, Iowa to Greenwood Village, Colorado.
The flight distance (direct flight from Sioux City, IA to Greenwood Village, CO) is 487.68 mi.
581 mi = 934.38 kms