There are
2,137 mi
from Walnut Creek, CA to Carbondale, IL
That's the driving distance. It would take 1 day 13 hours to go from Walnut Creek, California to Carbondale, Illinois.
The flight distance (direct flight from Walnut Creek, CA to Carbondale, IL) is 1,783.55 mi.
2,137 mi = 3,439.76 kms