There is one place named Lake Willoughby in America.
All places in the world called "Lake Willoughby".
Riverside (46)
Centerville (43)
Fairview (40)
Franklin (39)
Midway (39)
Union (37)
Greenwood (37)
Marion (36)
Glendale (36)
Salem (36)
Georgetown (35)
Oakland (35)
Liberty (35)
Lincoln (35)
Fairfield (35)
Pleasant Valley (35)
Bethel (34)
Springfield (34)
Clinton (34)
Arlington (34)
Florence (34)
Greenville (34)
Newport (33)
Farmington (33)
Chester (33)
Kingston (33)
Clifton (33)
Milton (33)
Hamilton (33)
Lakeside (32)