There are
1,251 mi
from Great Falls, MT to Raytown, MO
That's the driving distance. It would take 21 hours 56 mins to go from Great Falls, Montana to Raytown, Missouri.
The flight distance (direct flight from Great Falls, MT to Raytown, MO) is 1,027.08 mi.
1,251 mi = 2,012.80 kms