There are
2,158 mi
from Katy, TX to Eureka, CA
That's the driving distance. It would take 1 day 14 hours to go from Katy, Texas to Eureka, California.
The flight distance (direct flight from Katy, TX to Eureka, CA) is 1,759.58 mi.
2,158 mi = 3,472.38 kms