There are
2,602 mi
from Gainesville, FL to Kalispell, MT
That's the driving distance. It would take 1 day 22 hours to go from Gainesville, Florida to Kalispell, Montana.
The flight distance (direct flight from Gainesville, FL to Kalispell, MT) is 2,119.34 mi.
2,602 mi = 3.22 kms