Miles between Downey, CA and Great Falls, MT

There are
1,256 mi
from Downey, CA to Great Falls, MT

That's the driving distance. It would take 21 hours 7 mins to go from Downey, California to Great Falls, Montana.

The flight distance (direct flight from Downey, CA to Great Falls, MT) is 1,001.91 mi.

1,256 mi = 1.61 kms