There are
1,586 mi
from Missoula, MT to Crest Hill, IL
That's the driving distance. It would take 1 day 3 hours to go from Missoula, Montana to Crest Hill, Illinois.
The flight distance (direct flight from Missoula, MT to Crest Hill, IL) is 1,328.26 mi.
1,586 mi = 1.61 kms