There are
981 mi
from Davenport, IA to Hereford, TX
That's the driving distance. It would take 17 hours 47 mins to go from Davenport, Iowa to Hereford, Texas.
The flight distance (direct flight from Davenport, IA to Hereford, TX) is 790.71 mi.
981 mi = 1,578.67 kms