There are
2,247 mi
from Orland Park, IL to Eureka, CA
That's the driving distance. It would take 1 day 15 hours to go from Orland Park, Illinois to Eureka, California.
The flight distance (direct flight from Orland Park, IL to Eureka, CA) is 1,874 mi.
2,247 mi = 3,616.61 kms