There are
1,709 mi
from Naperville, IL to Fountain Hills, AZ
That's the driving distance. It would take 1 day 6 hours to go from Naperville, Illinois to Fountain Hills, Arizona.
The flight distance (direct flight from Naperville, IL to Fountain Hills, AZ) is 1,402.34 mi.
1,709 mi = 1.61 kms