There are
1,635 mi
from Stockton, CA to Fredericksburg, TX
That's the driving distance. It would take 1 day 4 hours to go from Stockton, California to Fredericksburg, Texas.
The flight distance (direct flight from Stockton, CA to Fredericksburg, TX) is 1,383.41 mi.
1,635 mi = 1.61 kms