Miles between Costa Mesa, CA and Great Falls, MT

There are
1,265 mi
from Costa Mesa, CA to Great Falls, MT

That's the driving distance. It would take 21 hours 17 mins to go from Costa Mesa, California to Great Falls, Montana.

The flight distance (direct flight from Costa Mesa, CA to Great Falls, MT) is 1,017.66 mi.

1,265 mi = 1.61 kms