There are
1,817 mi
from Petaluma, CA to Lockhart, TX
That's the driving distance. It would take 1 day 7 hours to go from Petaluma, California to Lockhart, Texas.
The flight distance (direct flight from Petaluma, CA to Lockhart, TX) is 1,535.01 mi.
1,817 mi = 2,924.78 kms