There are
1,978 mi
from Pasadena, CA to Warrenville, IL
That's the driving distance. It would take 1 day 10 hours to go from Pasadena, California to Warrenville, Illinois.
The flight distance (direct flight from Pasadena, CA to Warrenville, IL) is 1,705.99 mi.
1,978 mi = 1.61 kms