There are
2,190 mi
from Norwalk, CA to Piqua, OH
That's the driving distance. It would take 1 day 14 hours to go from Norwalk, California to Piqua, Ohio.
The flight distance (direct flight from Norwalk, CA to Piqua, OH) is 1,903.65 mi.
2,190 mi = 3,523.88 kms