There are
997 mi
from Sioux City, IA to Alamogordo, NM
That's the driving distance. It would take 19 hours 43 mins to go from Sioux City, Iowa to Alamogordo, New Mexico.
The flight distance (direct flight from Sioux City, IA to Alamogordo, NM) is 843.27 mi.
997 mi = 1,604.83 kms