There are
1,883 mi
from Katy, TX to Concord, CA
That's the driving distance. It would take 1 day 8 hours to go from Katy, Texas to Concord, California.
The flight distance (direct flight from Katy, TX to Concord, CA) is 1,599.56 mi.
1,883 mi = 3,030.98 kms