There are
1,998 mi
from Pasadena, CA to Mchenry, IL
That's the driving distance. It would take 1 day 11 hours to go from Pasadena, California to Mchenry, Illinois.
The flight distance (direct flight from Pasadena, CA to Mchenry, IL) is 1,706.71 mi.
1,998 mi = 1.61 kms