There are
1,575 mi
from Fountain Valley, CA to Pittsburg, KS
That's the driving distance. It would take 1 day 3 hours to go from Fountain Valley, California to Pittsburg, Kansas.
The flight distance (direct flight from Fountain Valley, CA to Pittsburg, KS) is 1,328 mi.
1,575 mi = 2,534.18 kms