Miles between Billings, MT and Kuna, ID

There are
635 mi
from Billings, MT to Kuna, ID

That's the driving distance. It would take 11 hours 12 mins to go from Billings, Montana to Kuna, Idaho.

The flight distance (direct flight from Billings, MT to Kuna, ID) is 420.06 mi.

635 mi = 1,022.08 kms