Miles between Portland, ME and Boise, ID

There are
2,770 mi
from Portland, ME to Boise, ID

That's the driving distance. It would take 2 days 1 hour to go from Portland, Maine to Boise, Idaho.

The flight distance (direct flight from Portland, ME to Boise, ID) is 2,269.05 mi.

2,770 mi = 4,458.61 kms