There are
2,027 mi
from Fountain Valley, CA to Antioch, IL
That's the driving distance. It would take 1 day 11 hours to go from Fountain Valley, California to Antioch, Illinois.
The flight distance (direct flight from Fountain Valley, CA to Antioch, IL) is 1,722.04 mi.
2,027 mi = 3,261.81 kms