There are
350 mi
from West Allis, WI to Piqua, OH
That's the driving distance. It would take 7 hours 21 mins to go from West Allis, Wisconsin to Piqua, Ohio.
The flight distance (direct flight from West Allis, WI to Piqua, OH) is 277.84 mi.
350 mi = 564.03 kms