Miles between Billings, MT and Portsmouth, OH

There are
1,631 mi
from Billings, MT to Portsmouth, OH

That's the driving distance. It would take 1 day 5 hours to go from Billings, Montana to Portsmouth, Ohio.

The flight distance (direct flight from Billings, MT to Portsmouth, OH) is 1,384.93 mi.

1,631 mi = 1.61 kms