There are
431 mi
from Davenport, IA to Lyndon, KY
That's the driving distance. It would take 7 hours 58 mins to go from Davenport, Iowa to Lyndon, Kentucky.
The flight distance (direct flight from Davenport, IA to Lyndon, KY) is 347.08 mi.
431 mi = 693.90 kms