There are
1,666 mi
from Katy, TX to Lompoc, CA
That's the driving distance. It would take 1 day 4 hours to go from Katy, Texas to Lompoc, California.
The flight distance (direct flight from Katy, TX to Lompoc, CA) is 1,474.53 mi.
1,666 mi = 2,680.53 kms