There are
1,356 mi
from Rapid City, SD to Escondido, CA
That's the driving distance. It would take 1 day to go from Rapid City, South Dakota to Escondido, California.
The flight distance (direct flight from Rapid City, SD to Escondido, CA) is 1,061.72 mi.
1,356 mi = 2,182.70 kms