| City | Country |
|---|---|
| Ramenskoye | Russia |
| Ra's al Khaymah | United Arab Emirates |
| Rotherham | United Kingdom |
| Recklinghausen | Germany |
| Rosario | Philippines |
| Remscheid | Germany |
| Reus | Spain |
| Raba | Indonesia |
| Roubaix | France |
| Robat Karim | Iran |
| Rades | Tunisia |
| Red Deer | Canada |
| Rayleigh | United Kingdom |
| Ramnicu Valcea | Romania |
| Rio Gallegos | Argentina |
| Remedios de Escalada | Argentina |
| Resita | Romania |
| Rueil-Malmaison | France |
| Rubi | Spain |
| Ragusa | Italy |
| Ra`ananna | Israel |
| Rugby | United Kingdom |
| Ramla | Israel |
| Rioverde | Mexico |
| Ramos Arizpe | Mexico |
| Rochester | United Kingdom |
| Rivera | Uruguay |
| Rundu | Namibia |
| Runcorn | United Kingdom |
| Rayong | Thailand |
| Ruhengeri | Rwanda |
| Rovaniemi | Finland |
| Rafael Calzada | Argentina |
| Royal Tunbridge Wells | United Kingdom |
| Rodos | Greece |
| Royal Leamington Spa | United Kingdom |
| Rosh Ha`Ayin | Israel |
| Rio Tinto | Portugal |
| Rijswijk | Netherlands |
| Rosny-sous-Bois | France |
| Rho | Italy |
| Ratnapura | Sri Lanka |
| Ramat HaSharon | Israel |
| Rovenky | Ukraine |
| Ripollet | Spain |
| Rosso | Mauritania |
| Rozzano | Italy |
| Reze | France |
| Ramsgate | United Kingdom |
| Romblon | Philippines |