Miles between Great Falls, MT and Kent, WA

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

That's the driving distance. It would take 11 hours 48 mins to go from Great Falls, Montana to Kent, Washington.

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

639 mi = 1,028.22 kms