Miles between Renton, WA and Great Falls, MT

There are
640 mi
from Renton, WA to Great Falls, MT

That's the driving distance. It would take 11 hours 43 mins to go from Renton, Washington to Great Falls, Montana.

The flight distance (direct flight from Renton, WA to Great Falls, MT) is 509.21 mi.

640 mi = 1,030.51 kms