| Code | Name | Region |
|---|---|---|
| CAROC | Rockyford | AB |
| CAROD | Roddickton | NL |
| CARDN | Rodney | ON |
| CARGV | Rogersville | NB |
| CARLH | Rolling Hills | AB |
| CARYV | Rolly View | AB |
| CAROO | Roosville | BC |
| CARSO | Rosedale | BC |
| CAROS | Rosemere | QC |
| CARSE | Rosemont | AB |
| CAAQW | Roseneath | PE |
| CARNO | Rosenort | MB |
| CARSW | Rosetown | SK |
| CARVO | Riverton | MB |
| CARRG | Riviere Rouge | QC |
| CAYTN | Riviere-au-tonnerre | QC |
| CARBD | Riviere-beaudette | QC |
| CARDL | Riviere-du-loup | QC |
| CARHA | Riviere-heva | QC |
| CARRM | Riviere-matawin | QC |
| CA6QC | Riviere-ouelle | QC |
| CARII | Riviere-verte | NB |
| CAROA | Roaches Line | NL |
| CARTB | Robert's Bank | BC |
| CARSN | Robertson | PE |
| CARSV | Robertsonville | QC |
| CAYRJ | Roberval | QC |
| CARBN | Robinsons | NL |
| CAROB | Roblin | MB |
| CARBI | Roblin | ON |
| CARVI | Rocanville | SK |
| CARHS | Rochester | AB |
| CARKC | Rock Creek | BC |
| CARBT | Richibucto | NB |
| CARBC | Richmond | BC |
| CARMD | Richmond | ON |
| CARCH | Richmond | QC |
| CARHI | Richmond Hill | ON |
| CAREF | Rideau Ferry | ON |
| CARTW | Ridgetown | ON |
| CARVL | Ridgeville | MB |
| CARGI | Ridgeville | ON |
| CAONR | Ridgeway | ON |
| CARGD | Rigaud | QC |
| CAYRG | Rigolet | NL |
| CARIY | Rimbey | AB |
| CARIM | Rimouski | QC |
| CARTY | Ripley | ON |
| CARPN | Ripon | QC |
| CAR8N | River John | NS |