There are
1,464 mi
from Eureka, CA to Horizon City, TX
That's the driving distance. It would take 1 day 2 hours to go from Eureka, California to Horizon City, Texas.
The flight distance (direct flight from Eureka, CA to Horizon City, TX) is 1,178.53 mi.
1,464 mi = 2,356.49 kms