| Code | Name | Region |
|---|---|---|
| ROSJS | Simleu Silvaniei | SJ |
| RORZT | Sinaia | PH |
| ROSCI | Sincraieni | HR |
| ROSDM | Sincraiu De Mures | MS |
| ROSDJ | Salciua De Jos | AB |
| ROSLE | Saliste | SB |
| ROSAT | Salonta | |
| ROSBT | Sanbotin | VL |
| ROSNC | Sancraieni | HR |
| ROSNL | Sanleani | AR |
| ROSUM | Sannicolau Mare | TM |
| ROSTN | Santana | AR |
| ROSDI | Santandrei | BH |
| ROSSU | Sarasau | MM |
| ROSRT | Sarata | BC |
| RORTA | Sarata | BN |
| ROSAR | Sarmas | CV |
| ROSMG | Sarmasag | SJ |
| ROSAS | Sascut | BC |
| ROLCV | Sat Luncavita | TL |
| ROSVD | Sat Valea Draganului | CJ |
| ROSUJ | Satu Mare | |
| ROSAU | Saulia | |
| ROSDL | Savadisla | CJ |
| ROREN | Resita Nord | |
| RORES | Resita Sud | |
| RORZQ | Rimnicu Vilcea | VS |
| ROXXX | Ris Inland Waterways | |
| RORIS | Risca | HD |
| RORMN | Roman | NT |
| RORMI | Romuli | BN |
| RORDS | Rona De Sus | MM |
| RORNN | Rosia Montana | |
| ROROS | Rosiorii De Vede | TR |
| ROROV | Rovinari | GJ |
| RORZV | Roznov | |
| RORCR | Rucar | AG |
| RORUG | Rugetu | VL |
| RORUP | Rupea | |
| ROSOI | Sabaoani | |
| RORZR | Sacalaz | TM |
| RORZS | Sacele | BV |
| ROSTU | Sacosu Turcesc | TM |
| ROBHR | Salard | BH |
| ROPBM | Porumbenii Mici | HR |
| ROPOS | Posoloaca | BH |
| ROPRJ | Preajba | MM |
| ROPRE | Prejmer | BV |
| ROPPC | Prelipca | SV |
| ROPUA | Pucioasa | DB |