There are
1,986 mi
from Chatham, IL to Chico, CA
That's the driving distance. It would take 1 day 10 hours to go from Chatham, Illinois to Chico, California.
The flight distance (direct flight from Chatham, IL to Chico, CA) is 1,698.83 mi.
1,986 mi = 3,196.12 kms