There are
1,440 mi
from Livonia, MI to Port Lavaca, TX
That's the driving distance. It would take 1 day 2 hours to go from Livonia, Michigan to Port Lavaca, Texas.
The flight distance (direct flight from Livonia, MI to Port Lavaca, TX) is 1,205.38 mi.
1,440 mi = 1.61 kms