There are
2,097 mi
from Fremont, CA to Sycamore, IL
That's the driving distance. It would take 1 day 12 hours to go from Fremont, California to Sycamore, Illinois.
The flight distance (direct flight from Fremont, CA to Sycamore, IL) is 1,783.44 mi.
2,097 mi = 3.22 kms