There are
1,632 mi
from Oxnard, CA to Vermillion, SD
That's the driving distance. It would take 1 day 5 hours to go from Oxnard, California to Vermillion, South Dakota.
The flight distance (direct flight from Oxnard, CA to Vermillion, SD) is 1,335.79 mi.
1,632 mi = 1.61 kms