There are
2,005 mi
from Des Plaines, IL to Pasadena, CA
That's the driving distance. It would take 1 day 11 hours to go from Des Plaines, Illinois to Pasadena, California.
The flight distance (direct flight from Des Plaines, IL to Pasadena, CA) is 1,722.89 mi.
2,005 mi = 3,226.16 kms