There are
2,101 mi
from Champaign, IL to Oakley, CA
That's the driving distance. It would take 1 day 12 hours to go from Champaign, Illinois to Oakley, California.
The flight distance (direct flight from Champaign, IL to Oakley, CA) is 1,791.03 mi.
2,101 mi = 3.22 kms