| City | Country |
|---|---|
| Rufisque | Senegal |
| Rennes | France |
| Radom | Poland |
| Regina | Canada |
| Rui'an | China |
| Rostock | Germany |
| Rio Claro | Brazil |
| Richmond | Canada |
| Rio Grande | Brazil |
| Rajin | North Korea |
| Richmond Hill | Canada |
| Rybinsk | Russia |
| Raiganj | India |
| Reims | France |
| Rzeszow | Poland |
| Reggio di Calabria | Italy |
| Roxas City | Philippines |
| Rio Verde | Brazil |
| Reggio Emilia | Italy |
| Rustenburg | South Africa |
| Riohacha | Colombia |
| Ramat Gan | Israel |
| Reading | United Kingdom |
| Rafsanjan | Iran |
| Ravenna | Italy |
| Rafael Castillo | Argentina |
| Rio Cuarto | Argentina |
| Regensburg | Germany |
| Riobamba | Ecuador |
| Rimini | Italy |
| Rubtsovsk | Russia |
| Ruse | Bulgaria |
| Rybnik | Poland |
| Rio das Ostras | Brazil |
| Ruda Slaska | Poland |
| Rionegro | Colombia |
| Rehovot | Israel |
| Rijeka | Croatia |
| Relizane | Algeria |
| Rustavi | Georgia |
| Rosario | Philippines |
| Ramos Mejia | Argentina |
| Rishra | India |
| Resende | Brazil |
| Rudnyy | Kazakhstan |
| Ribeirao Pires | Brazil |
| Reutov | Russia |
| Rochdale | United Kingdom |
| Reutlingen | Germany |
| Rouen | France |