There are
1,450 mi
from Rapid City, SD to Scotts Valley, CA
That's the driving distance. It would take 1 day 1 hour to go from Rapid City, South Dakota to Scotts Valley, California.
The flight distance (direct flight from Rapid City, SD to Scotts Valley, CA) is 1,095.60 mi.
1,450 mi = 2,332.85 kms