There are
2,009 mi
from Champaign, IL to Irvine, CA
That's the driving distance. It would take 1 day 11 hours to go from Champaign, Illinois to Irvine, California.
The flight distance (direct flight from Champaign, IL to Irvine, CA) is 1,683.58 mi.
2,009 mi = 3.22 kms