There are
2,300 mi
from Missoula, MT to Pottstown, PA
That's the driving distance. It would take 1 day 16 hours to go from Missoula, Montana to Pottstown, Pennsylvania.
The flight distance (direct flight from Missoula, MT to Pottstown, PA) is 1,954.18 mi.
2,300 mi = 3.22 kms