There are
1,292 mi
from Rialto, CA to Rapid City, SD
That's the driving distance. It would take 22 hours 40 mins to go from Rialto, California to Rapid City, South Dakota.
The flight distance (direct flight from Rialto, CA to Rapid City, SD) is 1,021.90 mi.
1,292 mi = 1.61 kms