There are
2,245 mi
from Des Plaines, IL to Arcata, CA
That's the driving distance. It would take 1 day 15 hours to go from Des Plaines, Illinois to Arcata, California.
The flight distance (direct flight from Des Plaines, IL to Arcata, CA) is 1,862.39 mi.
2,245 mi = 3,613.66 kms