There is a Portland, Oregon and a Portland, Maine.
From Portland, Oregon it is 943 miles. From Portland, Maine it is 2936 miles.
Portland is the name of major cities in Maine and in Oregon. However, it is not the name of the capital in either of those states (the capitals are: Augusta, Maine and Salem, Oregon). No state in the U.S. has Portland as its capital.
Portland to Portland is 3187 miles.
Portland is a city in Oregon, and does not have a capital.
how far is it from Portland, Maine to Greenville, Maine
It is 153 miles from Yachats Oregon to Portland Oregon.
Molalla Oregon is 32 miles from Portland Oregon.
It is 323 miles from Enterprise Oregon to Portland Oregon.
It is 19.5 miles from Hillsboro Oregon to Portland Oregon.
Beaverton, Oregon is 8.5 miles from Portland, Oregon.
It is 41.1 miles from Portland Oregon to McMinnville Oregon.