There are
1,289 mi
from Rapid City, SD to Rocklin, CA
That's the driving distance. It would take 22 hours 21 mins to go from Rapid City, South Dakota to Rocklin, California.
The flight distance (direct flight from Rapid City, SD to Rocklin, CA) is 999.10 mi.
1,289 mi = 2,074.81 kms