There are
2,074 mi
from Vallejo, CA to Warrenville, IL
That's the driving distance. It would take 1 day 11 hours to go from Vallejo, California to Warrenville, Illinois.
The flight distance (direct flight from Vallejo, CA to Warrenville, IL) is 1,811.12 mi.
2,074 mi = 3.22 kms