There are
1,627 mi
from Rosemead, CA to Port Neches, TX
That's the driving distance. It would take 1 day 3 hours to go from Rosemead, California to Port Neches, Texas.
The flight distance (direct flight from Rosemead, CA to Port Neches, TX) is 1,436.85 mi.
1,627 mi = 2,618.77 kms