There are
1,633 mi
from Eureka, CA to Amarillo, TX
That's the driving distance. It would take 1 day 5 hours to go from Eureka, California to Amarillo, Texas.
The flight distance (direct flight from Eureka, CA to Amarillo, TX) is 1,271.31 mi.
1,633 mi = 2,627.79 kms