There are
2,112 mi
from Vallejo, CA to Deerfield, IL
That's the driving distance. It would take 1 day 12 hours to go from Vallejo, California to Deerfield, Illinois.
The flight distance (direct flight from Vallejo, CA to Deerfield, IL) is 1,826.69 mi.
2,112 mi = 3.22 kms