Miles between Great Falls, MT and Grain Valley, MO

There are
1,262 mi
from Great Falls, MT to Grain Valley, MO

That's the driving distance. It would take 22 hours 9 mins to go from Great Falls, Montana to Grain Valley, Missouri.

The flight distance (direct flight from Great Falls, MT to Grain Valley, MO) is 1,037.67 mi.

1,262 mi = 2,031.15 kms