There are
2,133 mi
from Des Plaines, IL to San Leandro, CA
That's the driving distance. It would take 1 day 12 hours to go from Des Plaines, Illinois to San Leandro, California.
The flight distance (direct flight from Des Plaines, IL to San Leandro, CA) is 1,828.91 mi.
2,133 mi = 3,432.82 kms