There are
1,484 mi
from Whittier, CA to Port Lavaca, TX
That's the driving distance. It would take 1 day 1 hour to go from Whittier, California to Port Lavaca, Texas.
The flight distance (direct flight from Whittier, CA to Port Lavaca, TX) is 1,314.21 mi.
1,484 mi = 1.61 kms