There are
664 mi
from Denton, TX to Hannibal, MO
That's the driving distance. It would take 12 hours 19 mins to go from Denton, Texas to Hannibal, Missouri.
The flight distance (direct flight from Denton, TX to Hannibal, MO) is 551.31 mi.
664 mi = 1,068.51 kms