There are
1,195 mi
from Missoula, MT to Fountain Hills, AZ
That's the driving distance. It would take 21 hours 5 mins to go from Missoula, Montana to Fountain Hills, Arizona.
The flight distance (direct flight from Missoula, MT to Fountain Hills, AZ) is 923.58 mi.
1,195 mi = 1.61 kms