There are
2,170 mi
from Redwood City, CA to Rantoul, IL
That's the driving distance. It would take 1 day 13 hours to go from Redwood City, California to Rantoul, Illinois.
The flight distance (direct flight from Redwood City, CA to Rantoul, IL) is 1,831.62 mi.
2,170 mi = 3,491.74 kms