There are
1,949 mi
from Wheaton, IL to San Bernardino, CA
That's the driving distance. It would take 1 day 10 hours to go from Wheaton, Illinois to San Bernardino, California.
The flight distance (direct flight from Wheaton, IL to San Bernardino, CA) is 1,667.61 mi.
1,949 mi = 3,136.04 kms