There are
2,191 mi
from Redwood City, CA to Danville, IL
That's the driving distance. It would take 1 day 14 hours to go from Redwood City, California to Danville, Illinois.
The flight distance (direct flight from Redwood City, CA to Danville, IL) is 1,860.42 mi.
2,191 mi = 3,526.19 kms