There are
2,084 mi
from Napa, CA to Hanover Park, IL
That's the driving distance. It would take 1 day 12 hours to go from Napa, California to Hanover Park, Illinois.
The flight distance (direct flight from Napa, CA to Hanover Park, IL) is 1,809.48 mi.
2,084 mi = 3,353.88 kms