There are
2,125 mi
from Champaign, IL to Larkspur, CA
That's the driving distance. It would take 1 day 13 hours to go from Champaign, Illinois to Larkspur, California.
The flight distance (direct flight from Champaign, IL to Larkspur, CA) is 1,835.41 mi.
2,125 mi = 3.22 kms