There are
1,521 mi
from Rapid City, SD to Johnson City, TN
That's the driving distance. It would take 1 day 2 hours to go from Rapid City, South Dakota to Johnson City, Tennessee.
The flight distance (direct flight from Rapid City, SD to Johnson City, TN) is 1,220.87 mi.
1,521 mi = 2,448.22 kms