There are
1,947 mi
from Pasadena, CA to Dekalb, IL
That's the driving distance. It would take 1 day 9 hours to go from Pasadena, California to Dekalb, Illinois.
The flight distance (direct flight from Pasadena, CA to Dekalb, IL) is 1,677.79 mi.
1,947 mi = 1.61 kms