| Caerfyrddin to Rochefort | 436.02 mi (701.70 km) |
| Caerfyrddin to Rodez | 607.67 mi (977.94 km) |
| Caerfyrddin to Rognac | 727.86 mi (1,171.37 km) |
| Caerfyrddin to Roissy-en-Brie | 373.03 mi (600.33 km) |
| Caerfyrddin to Romainville | 361.27 mi (581.40 km) |
| Caerfyrddin to Romans-sur-Isere | 635.91 mi (1,023.40 km) |
| Caerfyrddin to Rombas | 490.68 mi (789.68 km) |
| Caerfyrddin to Romilly-sur-Seine | 423.73 mi (681.93 km) |
| Caerfyrddin to Ronchin | 331.63 mi (533.70 km) |
| Caerfyrddin to Roncq | 329.96 mi (531.02 km) |
| Caerfyrddin to Roquebrune-sur-Argens | 771.51 mi (1,241.62 km) |
| Caerfyrddin to Roquevaire | 746.30 mi (1,201.05 km) |
| Caerfyrddin to Rosny-sous-Bois | 363.74 mi (585.38 km) |
| Caerfyrddin to Roubaix | 333.79 mi (537.18 km) |
| Caerfyrddin to Rouen | 289.47 mi (465.86 km) |
