There are
1,476 mi
from Rapid City, SD to San Benito, TX
That's the driving distance. It would take 1 day 3 hours to go from Rapid City, South Dakota to San Benito, Texas.
The flight distance (direct flight from Rapid City, SD to San Benito, TX) is 1,279.03 mi.
1,476 mi = 2,376.00 kms