There are
2,214 mi
from Simi Valley, CA to Piqua, OH
That's the driving distance. It would take 1 day 15 hours to go from Simi Valley, California to Piqua, Ohio.
The flight distance (direct flight from Simi Valley, CA to Piqua, OH) is 1,930.76 mi.
2,214 mi = 3.22 kms