There are
1,816 mi
from Fountain Valley, CA to Farmington, MO
That's the driving distance. It would take 1 day 8 hours to go from Fountain Valley, California to Farmington, Missouri.
The flight distance (direct flight from Fountain Valley, CA to Farmington, MO) is 1,563.49 mi.
1,816 mi = 2,922.59 kms