Miles between Great Falls, MT and Monrovia, CA

There are
1,240 mi
from Great Falls, MT to Monrovia, CA

That's the driving distance. It would take 20 hours 50 mins to go from Great Falls, Montana to Monrovia, California.

The flight distance (direct flight from Great Falls, MT to Monrovia, CA) is 986.13 mi.

1,240 mi = 1,995.94 kms