Miles between Great Falls, MT and Ammon, ID

There are
364 mi
from Great Falls, MT to Ammon, ID

That's the driving distance. It would take 5 hours 58 mins to go from Great Falls, Montana to Ammon, Idaho.

The flight distance (direct flight from Great Falls, MT to Ammon, ID) is 280.35 mi.

364 mi = 586.38 kms