There are
1,913 mi
from Mill Valley, CA to Lufkin, TX
That's the driving distance. It would take 1 day 10 hours to go from Mill Valley, California to Lufkin, Texas.
The flight distance (direct flight from Mill Valley, CA to Lufkin, TX) is 1,638.45 mi.
1,913 mi = 3,079.01 kms