Há 4 lugares nomeadas Opal Mountain em América.
Todos os lugares do mundo chamado "Opal Mountain".
Riverside (46)
Centerville (43)
Fairview (40)
Midway (39)
Franklin (39)
Greenwood (37)
Union (37)
Marion (36)
Glendale (36)
Salem (36)
Liberty (35)
Lincoln (35)
Pleasant Valley (35)
Fairfield (35)
Oakland (35)
Georgetown (35)
Arlington (34)
Florence (34)
Greenville (34)
Springfield (34)
Bethel (34)
Clinton (34)
Kingston (33)
Clifton (33)
Milton (33)
Hamilton (33)
Newport (33)
Farmington (33)
Chester (33)
Mount Pleasant (32)