Miles between Great Falls, MT and Oakley, CA

There are
1,158 mi
from Great Falls, MT to Oakley, CA

That's the driving distance. It would take 20 hours 3 mins to go from Great Falls, Montana to Oakley, California.

The flight distance (direct flight from Great Falls, MT to Oakley, CA) is 841.12 mi.

1,158 mi = 1,863.92 kms