There are
1,322 mi
from Rapid City, SD to Irvine, CA
That's the driving distance. It would take 23 hours 33 mins to go from Rapid City, South Dakota to Irvine, California.
The flight distance (direct flight from Rapid City, SD to Irvine, CA) is 1,059.87 mi.
1,322 mi = 2,128.11 kms