Miles between Missoula, MT and Decatur, IL

There are
1,634 mi
from Missoula, MT to Decatur, IL

That's the driving distance. It would take 1 day 4 hours to go from Missoula, Montana to Decatur, Illinois.

The flight distance (direct flight from Missoula, MT to Decatur, IL) is 1,342.35 mi.

1,634 mi = 1.61 kms