There are
1,209 mi
from Rapid City, SD to Norwalk, OH
That's the driving distance. It would take 21 hours 20 mins to go from Rapid City, South Dakota to Norwalk, Ohio.
The flight distance (direct flight from Rapid City, SD to Norwalk, OH) is 1,062.70 mi.
1,209 mi = 1,945.92 kms