There are
2,037 mi
from Great Falls, MT to Mt Airy, NC
That's the driving distance. It would take 1 day 13 hours to go from Great Falls, Montana to Mt Airy, North Carolina.
The flight distance (direct flight from Great Falls, MT to Mt Airy, NC) is 1,734.48 mi.
2,037 mi = 3,278.32 kms