There are
2,816 mi
from Missoula, MT to Aventura, FL
That's the driving distance. It would take 2 days 2 hours to go from Missoula, Montana to Aventura, Florida.
The flight distance (direct flight from Missoula, MT to Aventura, FL) is 2,343.87 mi.
2,816 mi = 3.22 kms