Fun fact: the one in Oregon is named after the one in Maine. Two guys flipped a coin to decide which one got to name it after their birthplace. The other guy was from Boston.
If they're making fun of people for their LL Bean clothing and eating lobsters, it's the Maine one.
If they're making fun of people for their coffee drinking, tattoos, and interminable hipness, it's the Oregon one.
every time you make fun of the oregon one it mocks the maine one by implication since nobody ever thinks of the maine one so really you don't have to choose
There are also Portlands in Tennessee, Indiana and Michigan.
(src: Google Maps)
UK also has an "Isle of Portland" in the south-middle.
Ontario, Canada also has one.
Arkansas, Colorado, Connecticut, Indiana, Kansas, Kentucky, Michigan, Missouri, New York, North Dakota, Ohio, Pennsylvania, Tennessee, Texas, and Wisconsin also have Portland's.
Kentucky’s Portland is now just a neighborhood in west Louisville and sits on the Ohio River.
Before the McAlpine Locks & Dam were constructed freight boats couldn’t get past the Falls of the Ohio.
They would have to unload in Louisville, move by land to Portland, and then reload on another boat