There are
1,324 mi
from Rapid City, SD to Norwalk, CA
That's the driving distance. It would take 23 hours 32 mins to go from Rapid City, South Dakota to Norwalk, California.
The flight distance (direct flight from Rapid City, SD to Norwalk, CA) is 1,060.30 mi.
1,324 mi = 2,130.73 kms