There are
1,188 mi
from Missoula, MT to Glendora, CA
That's the driving distance. It would take 19 hours 54 mins to go from Missoula, Montana to Glendora, California.
The flight distance (direct flight from Missoula, MT to Glendora, CA) is 901.78 mi.
1,188 mi = 1.61 kms