There are
1,667 mi
from Pleasanton, CA to Boerne, TX
That's the driving distance. It would take 1 day 4 hours to go from Pleasanton, California to Boerne, Texas.
The flight distance (direct flight from Pleasanton, CA to Boerne, TX) is 1,431.81 mi.
1,667 mi = 2,682.34 kms