There are
1,724 mi
from Oxnard, CA to Sioux Falls, SD
That's the driving distance. It would take 1 day 6 hours to go from Oxnard, California to Sioux Falls, South Dakota.
The flight distance (direct flight from Oxnard, CA to Sioux Falls, SD) is 1,364.68 mi.
1,724 mi = 1.61 kms