There are
2,103 mi
from Vallejo, CA to Champaign, IL
That's the driving distance. It would take 1 day 12 hours to go from Vallejo, California to Champaign, Illinois.
The flight distance (direct flight from Vallejo, CA to Champaign, IL) is 1,817.71 mi.
2,103 mi = 3.22 kms