There are
2,127 mi
from Mill Valley, CA to Kankakee, IL
That's the driving distance. It would take 1 day 12 hours to go from Mill Valley, California to Kankakee, Illinois.
The flight distance (direct flight from Mill Valley, CA to Kankakee, IL) is 1,849.77 mi.
2,127 mi = 3,422.44 kms