Miles between Great Falls, MT and Allen, TX

There are
1,549 mi
from Great Falls, MT to Allen, TX

That's the driving distance. It would take 1 day 3 hours to go from Great Falls, Montana to Allen, Texas.

The flight distance (direct flight from Great Falls, MT to Allen, TX) is 1,254.02 mi.

1,549 mi = 2,493.14 kms