There are
1,642 mi
from Missoula, MT to Watauga, TX
That's the driving distance. It would take 1 day 4 hours to go from Missoula, Montana to Watauga, Texas.
The flight distance (direct flight from Missoula, MT to Watauga, TX) is 1,308.49 mi.
1,642 mi = 1.61 kms