Place
- River Ohio, America1
- River Onondaga, North America1
- River Pruth, Eastern Europe1
- River Saigon, Vietnam1
- River Trave, Schileswig-Holstein1
- River Waikato, New Zealand1
- Roliça, Portugal1
- Rome, New York State1
- Rostock, Mecklenburg-Schwerin1
- Rothenburg, Germany1
- Rumburg, Bohemia1
- Ruremonde, Limburg1
- Saarlouis, the Rhineland1
- Sadoolawala, India1
- Saint-Ghislain, Hainault1
- Salamanca, Spain1
- San Sebastian, Guipuzcoa1
- Sandershausen, Germany1
- Savannah, Georgia1
- Schartzfels, on the Oder1