There are
853 mi
from Shawnee, KS to Port Lavaca, TX
That's the driving distance. It would take 15 hours 12 mins to go from Shawnee, Kansas to Port Lavaca, Texas.
The flight distance (direct flight from Shawnee, KS to Port Lavaca, TX) is 727.38 mi.
853 mi = 1,372.19 kms