There are
2,100 mi
from Fairfield, CA to Rantoul, IL
That's the driving distance. It would take 1 day 12 hours to go from Fairfield, California to Rantoul, Illinois.
The flight distance (direct flight from Fairfield, CA to Rantoul, IL) is 1,806.76 mi.
2,100 mi = 3.22 kms