There are
1,789 mi
from Rapid City, SD to Summerville, SC
That's the driving distance. It would take 1 day 8 hours to go from Rapid City, South Dakota to Summerville, South Carolina.
The flight distance (direct flight from Rapid City, SD to Summerville, SC) is 1,453.95 mi.
1,789 mi = 2,879.87 kms