There are
2,191 mi
from Lake Forest, CA to Piqua, OH
That's the driving distance. It would take 1 day 14 hours to go from Lake Forest, California to Piqua, Ohio.
The flight distance (direct flight from Lake Forest, CA to Piqua, OH) is 1,889.88 mi.
2,191 mi = 3,525.58 kms