Miles between Irvine, CA and Great Falls, MT

There are
1,255 mi
from Irvine, CA to Great Falls, MT

That's the driving distance. It would take 21 hours 9 mins to go from Irvine, California to Great Falls, Montana.

The flight distance (direct flight from Irvine, CA to Great Falls, MT) is 1,012.68 mi.

1,255 mi = 1.61 kms