There are
1,901 mi
from Longview, TX to Kalispell, MT
That's the driving distance. It would take 1 day 9 hours to go from Longview, Texas to Kalispell, Montana.
The flight distance (direct flight from Longview, TX to Kalispell, MT) is 1,487.80 mi.
1,901 mi = 1.61 kms