Nhóm R
| RABAUL,Papua New Guinea |
| RADOM,Poland |
| RAJIN,North Korea |
| RALEIGH,North Carolina |
| RAROTONGA,Cook Isalnds |
| RAS LANUF,Libya |
| RAUMA,Finland |
| RAVENNA,Italy |
| RAYONG,Thailand |
| RECIFE,Brazil |
| REGINA,Italy |
| REUNION,Reunion Islands |
| RICHARDS BAY,South Africa |
| RICHMOND,Virginia |
| RIED,Austria |
| RIGA,Latvia |
| RIJEKA,Croatia |
| RIO DE JANEIRO,Brazil |
| RIO GRANDE,Brazil |
| RIO GRANDE (A),Argentina |
| RIO GRANDE DO SUL,Brazil |
| RIO HAINA,Dominican Republic |
| RIYADH,Saudi Arabia |
| RIZHAO,Shandong Province |
| ROADTOWN,Tortola |
| ROANNE,France |
| ROENOE,Denmark |
| ROME,Italy |
| RONGQI,Guangdong Province |
| ROSARIO,Argentina |
| ROSARITO,Mexico |
| ROSEAU,Dominica |
| ROSTOCK,Germany |
| ROSTOV,Georgia |
| ROTORUA,New Zealand |
| ROTTERDAM,Netherlands |
| ROUEN,France |
| ROVNO,Russia |
| RUDONG,Jiangsu Province |
| RUIAN,Zhejiang Province |
| RUSSE,Bulgaria |
| RUSSIA,Russia |
| RWANDA,Africa |
| RYAZANJ,Russia |
| RZESZOW,Poland |