Miles between Seattle, WA and Great Falls, MT

There are
641 mi
from Seattle, WA to Great Falls, MT

That's the driving distance. It would take 11 hours 42 mins to go from Seattle, Washington to Great Falls, Montana.

The flight distance (direct flight from Seattle, WA to Great Falls, MT) is 514.01 mi.

641 mi = 1,031.35 kms