There are
2,079 mi
from Wheaton, IL to Vallejo, CA
That's the driving distance. It would take 1 day 11 hours to go from Wheaton, Illinois to Vallejo, California.
The flight distance (direct flight from Wheaton, IL to Vallejo, CA) is 1,814.34 mi.
2,079 mi = 3,345.54 kms