There are
1,674 mi
from Thousand Oaks, CA to Port Arthur, TX
That's the driving distance. It would take 1 day 4 hours to go from Thousand Oaks, California to Port Arthur, Texas.
The flight distance (direct flight from Thousand Oaks, CA to Port Arthur, TX) is 1,484.27 mi.
1,674 mi = 1.61 kms