There are
1,558 mi
from Missoula, MT to Glen Ellyn, IL
That's the driving distance. It would take 1 day 2 hours to go from Missoula, Montana to Glen Ellyn, Illinois.
The flight distance (direct flight from Missoula, MT to Glen Ellyn, IL) is 1,320.55 mi.
1,558 mi = 1.61 kms