There are
2,949 mi
from Anchorage, AK to Rapid City, SD
That's the driving distance. It would take 2 days 12 hours to go from Anchorage, Alaska to Rapid City, South Dakota.
The flight distance (direct flight from Anchorage, AK to Rapid City, SD) is 2,218.29 mi.
2,949 mi = 3.22 kms