There are
1,448 mi
from Rapid City, SD to Paso Robles, CA
That's the driving distance. It would take 1 day 2 hours to go from Rapid City, South Dakota to Paso Robles, California.
The flight distance (direct flight from Rapid City, SD to Paso Robles, CA) is 1,091.53 mi.
1,448 mi = 2,329.73 kms