There are
1,811 mi
from Fountain Valley, CA to Ballwin, MO
That's the driving distance. It would take 1 day 7 hours to go from Fountain Valley, California to Ballwin, Missouri.
The flight distance (direct flight from Fountain Valley, CA to Ballwin, MO) is 1,559.69 mi.
1,811 mi = 2,915.05 kms