There are
2,145 mi
from Fontana, CA to Piqua, OH
That's the driving distance. It would take 1 day 13 hours to go from Fontana, California to Piqua, Ohio.
The flight distance (direct flight from Fontana, CA to Piqua, OH) is 1,864.40 mi.
2,145 mi = 3,451.63 kms