There are
1,322 mi
from Rapid City, SD to Baytown, TX
That's the driving distance. It would take 23 hours 38 mins to go from Rapid City, South Dakota to Baytown, Texas.
The flight distance (direct flight from Rapid City, SD to Baytown, TX) is 1,089.60 mi.
1,322 mi = 2,128.34 kms