There are
2,132 mi
from Naperville, IL to Menlo Park, CA
That's the driving distance. It would take 1 day 12 hours to go from Naperville, Illinois to Menlo Park, California.
The flight distance (direct flight from Naperville, IL to Menlo Park, CA) is 1,823.76 mi.
2,132 mi = 3.22 kms