There are
2,153 mi
from Champaign, IL to Redwood City, CA
That's the driving distance. It would take 1 day 13 hours to go from Champaign, Illinois to Redwood City, California.
The flight distance (direct flight from Champaign, IL to Redwood City, CA) is 1,828.22 mi.
2,153 mi = 3.22 kms