Det finns 3 platser namngivna Duncan Island i Amerika.
Alla platser i världen som heter "Duncan Island".
Riverside (46)
Centerville (43)
Fairview (40)
Midway (39)
Franklin (39)
Greenwood (37)
Union (37)
Marion (36)
Salem (36)
Glendale (36)
Liberty (35)
Fairfield (35)
Georgetown (35)
Lincoln (35)
Pleasant Valley (35)
Oakland (35)
Greenville (34)
Bethel (34)
Clinton (34)
Arlington (34)
Florence (34)
Springfield (34)
Kingston (33)
Hamilton (33)
Clifton (33)
Milton (33)
Newport (33)
Farmington (33)
Chester (33)
Ashland (32)