There are
1,633 mi
from Kalispell, MT to Griffith, IN
That's the driving distance. It would take 1 day 5 hours to go from Kalispell, Montana to Griffith, Indiana.
The flight distance (direct flight from Kalispell, MT to Griffith, IN) is 1,386.74 mi.
1,633 mi = 2,627.73 kms