There are
1,873 mi
from Missoula, MT to Conroe, TX
That's the driving distance. It would take 1 day 8 hours to go from Missoula, Montana to Conroe, Texas.
The flight distance (direct flight from Missoula, MT to Conroe, TX) is 1,512.84 mi.
1,873 mi = 1.61 kms