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