There are
1,551 mi
from Great Falls, MT to Cleburne, TX
That's the driving distance. It would take 1 day 3 hours to go from Great Falls, Montana to Cleburne, Texas.
The flight distance (direct flight from Great Falls, MT to Cleburne, TX) is 1,276.21 mi.
1,551 mi = 2,496.89 kms