Det finns 6 platser namngivna Observatory Hill i Amerika.
Alla platser i världen som heter "Observatory Hill".
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)