There are
2,129 mi
from Walnut Creek, CA to Rantoul, IL
That's the driving distance. It would take 1 day 12 hours to go from Walnut Creek, California to Rantoul, Illinois.
The flight distance (direct flight from Walnut Creek, CA to Rantoul, IL) is 1,814.45 mi.
2,129 mi = 3,425.83 kms