There are
1,293 mi
from Rapid City, SD to Palmdale, CA
That's the driving distance. It would take 23 hours 6 mins to go from Rapid City, South Dakota to Palmdale, California.
The flight distance (direct flight from Rapid City, SD to Palmdale, CA) is 1,028.58 mi.
1,293 mi = 2,080.51 kms