There are
795 mi
from Abilene, TX to Florissant, MO
That's the driving distance. It would take 14 hours 19 mins to go from Abilene, Texas to Florissant, Missouri.
The flight distance (direct flight from Abilene, TX to Florissant, MO) is 685.82 mi.
795 mi = 1,279.47 kms