There is one place named Mill River in America.
All places in the world called "Mill River".
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)