There are
831 mi
from Davenport, IA to Terrell, TX
That's the driving distance. It would take 16 hours 18 mins to go from Davenport, Iowa to Terrell, Texas.
The flight distance (direct flight from Davenport, IA to Terrell, TX) is 683.08 mi.
831 mi = 1,337.59 kms