Miles between Billings, MT and Portland, TN

There are
1,573 mi
from Billings, MT to Portland, TN

That's the driving distance. It would take 1 day 4 hours to go from Billings, Montana to Portland, Tennessee.

The flight distance (direct flight from Billings, MT to Portland, TN) is 1,301.87 mi.

1,573 mi = 1.61 kms