There are
1,975 mi
from Lewisville, TX to Eureka, CA
That's the driving distance. It would take 1 day 11 hours to go from Lewisville, Texas to Eureka, California.
The flight distance (direct flight from Lewisville, TX to Eureka, CA) is 1,585.77 mi.
1,975 mi = 1.61 kms