| Caerfyrddin to Redon | 307.07 mi (494.18 km) |
| Caerfyrddin to Reims | 407.66 mi (656.07 km) |
| Caerfyrddin to Rennes | 283.75 mi (456.65 km) |
| Caerfyrddin to Revel | 649.91 mi (1,045.94 km) |
| Caerfyrddin to Reze | 344.95 mi (555.14 km) |
| Caerfyrddin to Riedisheim | 592.31 mi (953.24 km) |
| Caerfyrddin to Rillieux-la-Pape | 590.27 mi (949.95 km) |
| Caerfyrddin to Riom | 532.04 mi (856.24 km) |
| Caerfyrddin to Riorges | 551.68 mi (887.84 km) |
| Caerfyrddin to Ris-Orangis | 370.43 mi (596.15 km) |
| Caerfyrddin to Rive-de-Gier | 596.70 mi (960.30 km) |
| Caerfyrddin to Rivesaltes | 711.68 mi (1,145.34 km) |
| Caerfyrddin to Rixheim | 593.76 mi (955.57 km) |
| Caerfyrddin to Roanne | 552.88 mi (889.77 km) |
| Caerfyrddin to Roche-la-Moliere | 592.87 mi (954.13 km) |
