There are
2,091 mi
from Fremont, CA to Collinsville, IL
That's the driving distance. It would take 1 day 12 hours to go from Fremont, California to Collinsville, Illinois.
The flight distance (direct flight from Fremont, CA to Collinsville, IL) is 1,732.80 mi.
2,091 mi = 3.22 kms