Miles between Billings, MT and Ammon, ID

There are
341 mi
from Billings, MT to Ammon, ID

That's the driving distance. It would take 6 hours 31 mins to go from Billings, Montana to Ammon, Idaho.

The flight distance (direct flight from Billings, MT to Ammon, ID) is 233.63 mi.

341 mi = 548.46 kms