- Rock Island
- Rockdale
- Rockfield
- Rockford
- Rockford
- Rocklane
- Rockport Junction
- Rocky Ford
- Rogers
- Rogersville
- Roland
- Roll
- Rolling Acres
- Rolling Hill Estates
- Rolling Hills
- Rolling Hills
- Rolling Prairie
- Rolling Ridge
- Rome
- Romine Corner
- Romney
- Romona
- Rose Island
- Rosebud
- Rosebud
- Rosebud
- Roseburg
- Roseburg
- Rosedale Hills
- Rosewood