There are
797 mi
from Abilene, TX to Cheyenne, WY
That's the driving distance. It would take 14 hours 26 mins to go from Abilene, Texas to Cheyenne, Wyoming.
The flight distance (direct flight from Abilene, TX to Cheyenne, WY) is 662.88 mi.
797 mi = 1,283.32 kms