There are
929 mi
from Sioux City, IA to Roswell, NM
That's the driving distance. It would take 17 hours 53 mins to go from Sioux City, Iowa to Roswell, New Mexico.
The flight distance (direct flight from Sioux City, IA to Roswell, NM) is 768.37 mi.
929 mi = 1,495.32 kms