There are
1,867 mi
from Katy, TX to Antioch, CA
That's the driving distance. It would take 1 day 8 hours to go from Katy, Texas to Antioch, California.
The flight distance (direct flight from Katy, TX to Antioch, CA) is 1,588.04 mi.
1,867 mi = 3,004.15 kms