There are
1,896 mi
from Vacaville, CA to Port Lavaca, TX
That's the driving distance. It would take 1 day 9 hours to go from Vacaville, California to Port Lavaca, Texas.
The flight distance (direct flight from Vacaville, CA to Port Lavaca, TX) is 1,601.97 mi.
1,896 mi = 1.61 kms