There are
836 mi
from Sioux Falls, SD to Texarkana, TX
That's the driving distance. It would take 15 hours 31 mins to go from Sioux Falls, South Dakota to Texarkana, Texas.
The flight distance (direct flight from Sioux Falls, SD to Texarkana, TX) is 714.01 mi.
836 mi = 1,345.38 kms