There are
1,841 mi
from Pleasanton, CA to Port Lavaca, TX
That's the driving distance. It would take 1 day 8 hours to go from Pleasanton, California to Port Lavaca, Texas.
The flight distance (direct flight from Pleasanton, CA to Port Lavaca, TX) is 1,582.43 mi.
1,841 mi = 2,963.29 kms