There are
673 mi
from Provo, UT to Kalispell, MT
That's the driving distance. It would take 11 hours 25 mins to go from Provo, Utah to Kalispell, Montana.
The flight distance (direct flight from Provo, UT to Kalispell, MT) is 565.84 mi.
673 mi = 1,083.83 kms