There are
793 mi
from Sioux City, IA to Plainview, TX
That's the driving distance. It would take 15 hours 6 mins to go from Sioux City, Iowa to Plainview, Texas.
The flight distance (direct flight from Sioux City, IA to Plainview, TX) is 642.14 mi.
793 mi = 1,277.00 kms