There are
1,996 mi
from Walnut Creek, CA to Port Arthur, TX
That's the driving distance. It would take 1 day 10 hours to go from Walnut Creek, California to Port Arthur, Texas.
The flight distance (direct flight from Walnut Creek, CA to Port Arthur, TX) is 1,697.77 mi.
1,996 mi = 3,212.95 kms