Miles between Great Falls, MT and Killeen, TX

There are
1,637 mi
from Great Falls, MT to Killeen, TX

That's the driving distance. It would take 1 day 5 hours to go from Great Falls, Montana to Killeen, Texas.

The flight distance (direct flight from Great Falls, MT to Killeen, TX) is 1,340.16 mi.

1,637 mi = 2,634.84 kms