There are
689 mi
from Jonesboro, AR to Port Lavaca, TX
That's the driving distance. It would take 13 hours 2 mins to go from Jonesboro, Arkansas to Port Lavaca, Texas.
The flight distance (direct flight from Jonesboro, AR to Port Lavaca, TX) is 607.27 mi.
689 mi = 1,108.06 kms