There are
1,761 mi
from South San Francisco, CA to Seguin, TX
That's the driving distance. It would take 1 day 6 hours to go from South San Francisco, California to Seguin, Texas.
The flight distance (direct flight from South San Francisco, CA to Seguin, TX) is 1,507.79 mi.
1,761 mi = 2,833.65 kms