There are
2,104 mi
from Napa, CA to Hickory Hills, IL
That's the driving distance. It would take 1 day 12 hours to go from Napa, California to Hickory Hills, Illinois.
The flight distance (direct flight from Napa, CA to Hickory Hills, IL) is 1,827.15 mi.
2,104 mi = 3.22 kms