Miles between Round Rock, TX and Port Neches, TX

There are
255 mi
from Round Rock, TX to Port Neches, TX

That's the driving distance. It would take 4 hours 59 mins to go from Round Rock, Texas to Port Neches, Texas.

The flight distance (direct flight from Round Rock, TX to Port Neches, TX) is 224.90 mi.

255 mi = 409.85 kms