There are
1,622 mi
from Irvine, CA to Port Neches, TX
That's the driving distance. It would take 1 day 3 hours to go from Irvine, California to Port Neches, Texas.
The flight distance (direct flight from Irvine, CA to Port Neches, TX) is 1,418.91 mi.
1,622 mi = 1.61 kms