There are
419 mi
from Davenport, IA to Clarksville, IN
That's the driving distance. It would take 7 hours 40 mins to go from Davenport, Iowa to Clarksville, Indiana.
The flight distance (direct flight from Davenport, IA to Clarksville, IN) is 338.87 mi.
419 mi = 673.94 kms