There are
429 mi
from Davenport, IA to Piqua, OH
That's the driving distance. It would take 8 hours 15 mins to go from Davenport, Iowa to Piqua, Ohio.
The flight distance (direct flight from Davenport, IA to Piqua, OH) is 344.52 mi.
429 mi = 690.29 kms