There are
1,775 mi
from Missoula, MT to Belton, TX
That's the driving distance. It would take 1 day 6 hours to go from Missoula, Montana to Belton, Texas.
The flight distance (direct flight from Missoula, MT to Belton, TX) is 1,402.32 mi.
1,775 mi = 1.61 kms