There are
1,308 mi
from Roanoke, VA to Port Lavaca, TX
That's the driving distance. It would take 1 day to go from Roanoke, Virginia to Port Lavaca, Texas.
The flight distance (direct flight from Roanoke, VA to Port Lavaca, TX) is 1,134.74 mi.
1,308 mi = 1.61 kms