There are
1,920 mi
from Katy, TX to Rocklin, CA
That's the driving distance. It would take 1 day 9 hours to go from Katy, Texas to Rocklin, California.
The flight distance (direct flight from Katy, TX to Rocklin, CA) is 1,571.62 mi.
1,920 mi = 3,089.80 kms