There are
2,103 mi
from Champaign, IL to Benicia, CA
That's the driving distance. It would take 1 day 12 hours to go from Champaign, Illinois to Benicia, California.
The flight distance (direct flight from Champaign, IL to Benicia, CA) is 1,813.56 mi.
2,103 mi = 3.22 kms