There are
2,007 mi
from Davis, CA to Sycamore, IL
That's the driving distance. It would take 1 day 10 hours to go from Davis, California to Sycamore, Illinois.
The flight distance (direct flight from Davis, CA to Sycamore, IL) is 1,747.82 mi.
2,007 mi = 3,229.66 kms