| Caerfyrddin to Ratingen | 480.51 mi (773.30 km) |
| Caerfyrddin to Ratzeburg | 641.15 mi (1,031.83 km) |
| Caerfyrddin to Raubling | 781.97 mi (1,258.45 km) |
| Caerfyrddin to Rauenberg | 597.82 mi (962.10 km) |
| Caerfyrddin to Raunheim | 569.39 mi (916.34 km) |
| Caerfyrddin to Ravensburg | 680.23 mi (1,094.72 km) |
| Caerfyrddin to Recke | 511.29 mi (822.84 km) |
| Caerfyrddin to Recklinghausen | 491.14 mi (790.41 km) |
| Caerfyrddin to Regen | 791.69 mi (1,274.10 km) |
| Caerfyrddin to Regensburg | 746.09 mi (1,200.71 km) |
| Caerfyrddin to Regenstauf | 745.32 mi (1,199.47 km) |
| Caerfyrddin to Rehau | 716.42 mi (1,152.97 km) |
| Caerfyrddin to Rehburg-Loccum | 573.93 mi (923.65 km) |
| Caerfyrddin to Rehlingen-Siersburg | 511.16 mi (822.63 km) |
| Caerfyrddin to Reichelsheim | 592.49 mi (953.53 km) |
