There are
1,980 mi
from Pasadena, CA to Naperville, IL
That's the driving distance. It would take 1 day 10 hours to go from Pasadena, California to Naperville, Illinois.
The flight distance (direct flight from Pasadena, CA to Naperville, IL) is 1,707.01 mi.
1,980 mi = 1.61 kms