There are
1,380 mi
from Rapid City, SD to Oxnard, CA
That's the driving distance. It would take 1 day to go from Rapid City, South Dakota to Oxnard, California.
The flight distance (direct flight from Rapid City, SD to Oxnard, CA) is 1,090.52 mi.
1,380 mi = 2,220.65 kms