There are
2,097 mi
from Wheaton, IL to Pittsburg, CA
That's the driving distance. It would take 1 day 12 hours to go from Wheaton, Illinois to Pittsburg, California.
The flight distance (direct flight from Wheaton, IL to Pittsburg, CA) is 1,796.95 mi.
2,097 mi = 3,374.06 kms