Miles between Napa, CA and Great Falls, MT

There are
1,160 mi
from Napa, CA to Great Falls, MT

That's the driving distance. It would take 19 hours 51 mins to go from Napa, California to Great Falls, Montana.

The flight distance (direct flight from Napa, CA to Great Falls, MT) is 843.01 mi.

1,160 mi = 1.61 kms