Er is één plaats met de naam Portland Island in Amerika.
Alle plaatsen in de wereld die "Portland Island" heten.
Riverside (46)
Centerville (43)
Fairview (40)
Franklin (39)
Midway (39)
Union (37)
Greenwood (37)
Marion (36)
Glendale (36)
Salem (36)
Oakland (35)
Georgetown (35)
Liberty (35)
Lincoln (35)
Fairfield (35)
Pleasant Valley (35)
Bethel (34)
Springfield (34)
Clinton (34)
Arlington (34)
Florence (34)
Greenville (34)
Newport (33)
Farmington (33)
Chester (33)
Kingston (33)
Clifton (33)
Milton (33)
Hamilton (33)
Lakeside (32)