There are
1,682 mi
from Rowlett, TX to Missoula, MT
That's the driving distance. It would take 1 day 5 hours to go from Rowlett, Texas to Missoula, Montana.
The flight distance (direct flight from Rowlett, TX to Missoula, MT) is 1,330.69 mi.
1,682 mi = 2,706.91 kms