There are
2,113 mi
from Wheaton, IL to San Leandro, CA
That's the driving distance. It would take 1 day 12 hours to go from Wheaton, Illinois to San Leandro, California.
The flight distance (direct flight from Wheaton, IL to San Leandro, CA) is 1,817.88 mi.
2,113 mi = 3,399.78 kms