There are
1,464 mi
from Rapid City, SD to Hidalgo, TX
That's the driving distance. It would take 1 day 3 hours to go from Rapid City, South Dakota to Hidalgo, Texas.
The flight distance (direct flight from Rapid City, SD to Hidalgo, TX) is 1,273.02 mi.
1,464 mi = 2,356.19 kms