Miles between Sioux Falls, SD and San Marcos, TX

There are
1,055 mi
from Sioux Falls, SD to San Marcos, TX

That's the driving distance. It would take 18 hours 35 mins to go from Sioux Falls, South Dakota to San Marcos, Texas.

The flight distance (direct flight from Sioux Falls, SD to San Marcos, TX) is 946.74 mi.

1,055 mi = 1.61 kms