There are
1,979 mi
from Naperville, IL to Pasadena, CA
That's the driving distance. It would take 1 day 10 hours to go from Naperville, Illinois to Pasadena, California.
The flight distance (direct flight from Naperville, IL to Pasadena, CA) is 1,707.01 mi.
1,979 mi = 1.61 kms