There are
1,211 mi
from Sioux City, IA to Greensboro, NC
That's the driving distance. It would take 22 hours 46 mins to go from Sioux City, Iowa to Greensboro, North Carolina.
The flight distance (direct flight from Sioux City, IA to Greensboro, NC) is 990.63 mi.
1,211 mi = 1.61 kms