There are
1,415 mi
from Dearborn, MI to Port Lavaca, TX
That's the driving distance. It would take 1 day 2 hours to go from Dearborn, Michigan to Port Lavaca, Texas.
The flight distance (direct flight from Dearborn, MI to Port Lavaca, TX) is 1,209.12 mi.
1,415 mi = 1.61 kms