Miles between Thornton, CO and Missoula, MT

There are
889 mi
from Thornton, CO to Missoula, MT

That's the driving distance. It would take 14 hours 37 mins to go from Thornton, Colorado to Missoula, Montana.

The flight distance (direct flight from Thornton, CO to Missoula, MT) is 662.45 mi.

889 mi = 1,430.14 kms