Miles between Kent, WA and Great Falls, MT

There are
639 mi
from Kent, WA to Great Falls, MT

That's the driving distance. It would take 11 hours 45 mins to go from Kent, Washington to Great Falls, Montana.

The flight distance (direct flight from Kent, WA to Great Falls, MT) is 510.61 mi.

639 mi = 1,028.19 kms