There are
2,157 mi
from Redwood City, CA to Crestwood, IL
That's the driving distance. It would take 1 day 13 hours to go from Redwood City, California to Crestwood, Illinois.
The flight distance (direct flight from Redwood City, CA to Crestwood, IL) is 1,846.48 mi.
2,157 mi = 3,471.89 kms