There are
1,863 mi
from Katy, TX to Oakley, CA
That's the driving distance. It would take 1 day 8 hours to go from Katy, Texas to Oakley, California.
The flight distance (direct flight from Katy, TX to Oakley, CA) is 1,582.94 mi.
1,863 mi = 2,998.18 kms