There are
2,605 mi
from Kalispell, MT to Gainesville, FL
That's the driving distance. It would take 1 day 22 hours to go from Kalispell, Montana to Gainesville, Florida.
The flight distance (direct flight from Kalispell, MT to Gainesville, FL) is 2,119.34 mi.
2,605 mi = 4,191.74 kms