There are
490 mi
from Davenport, IA to Parma Heights, OH
That's the driving distance. It would take 9 hours 15 mins to go from Davenport, Iowa to Parma Heights, Ohio.
The flight distance (direct flight from Davenport, IA to Parma Heights, OH) is 456.51 mi.
490 mi = 788.90 kms