Er bestaan 20 plaatsen met de naam Duncan in Amerika.
Alle plaatsen in de wereld die "Duncan" heten.
Riverside (46)
Centerville (43)
Fairview (40)
Midway (39)
Franklin (39)
Union (37)
Greenwood (37)
Marion (36)
Glendale (36)
Salem (36)
Liberty (35)
Lincoln (35)
Fairfield (35)
Pleasant Valley (35)
Georgetown (35)
Oakland (35)
Greenville (34)
Bethel (34)
Springfield (34)
Clinton (34)
Florence (34)
Arlington (34)
Kingston (33)
Clifton (33)
Milton (33)
Hamilton (33)
Newport (33)
Farmington (33)
Chester (33)
Lakeview (32)