There are
2,109 mi
from Schaumburg, IL to Larkspur, CA
That's the driving distance. It would take 1 day 12 hours to go from Schaumburg, Illinois to Larkspur, California.
The flight distance (direct flight from Schaumburg, IL to Larkspur, CA) is 1,833.13 mi.
2,109 mi = 3,394.36 kms