There are
484 mi
from Davenport, IA to Dyersburg, TN
That's the driving distance. It would take 8 hours 56 mins to go from Davenport, Iowa to Dyersburg, Tennessee.
The flight distance (direct flight from Davenport, IA to Dyersburg, TN) is 384.64 mi.
484 mi = 779.42 kms