There are
2,253 mi
from Champaign, IL to Eureka, CA
That's the driving distance. It would take 1 day 15 hours to go from Champaign, Illinois to Eureka, California.
The flight distance (direct flight from Champaign, IL to Eureka, CA) is 1,875.64 mi.
2,253 mi = 3.22 kms