There are
2,129 mi
from Fremont, CA to Glen Ellyn, IL
That's the driving distance. It would take 1 day 12 hours to go from Fremont, California to Glen Ellyn, Illinois.
The flight distance (direct flight from Fremont, CA to Glen Ellyn, IL) is 1,815.50 mi.
2,129 mi = 3.22 kms