There are
749 mi
from Sioux City, IA to Texarkana, AR
That's the driving distance. It would take 14 hours 5 mins to go from Sioux City, Iowa to Texarkana, Arkansas.
The flight distance (direct flight from Sioux City, IA to Texarkana, AR) is 638.88 mi.
749 mi = 1,205.25 kms