There are
2,141 mi
from Naperville, IL to Saratoga, CA
That's the driving distance. It would take 1 day 12 hours to go from Naperville, Illinois to Saratoga, California.
The flight distance (direct flight from Naperville, IL to Saratoga, CA) is 1,820.13 mi.
2,141 mi = 3.22 kms