There are
1,778 mi
from Missoula, MT to Leander, TX
That's the driving distance. It would take 1 day 6 hours to go from Missoula, Montana to Leander, Texas.
The flight distance (direct flight from Missoula, MT to Leander, TX) is 1,417.06 mi.
1,778 mi = 1.61 kms