There are
1,887 mi
from Piedmont, CA to Katy, TX
That's the driving distance. It would take 1 day 8 hours to go from Piedmont, California to Katy, Texas.
The flight distance (direct flight from Piedmont, CA to Katy, TX) is 1,607.94 mi.
1,887 mi = 3,036.57 kms