| Caerfyrddin to Rodgau | 587.72 mi (945.84 km) |
| Caerfyrddin to Roding | 759.88 mi (1,222.91 km) |
| Caerfyrddin to Rodinghausen | 543.70 mi (875.01 km) |
| Caerfyrddin to Roetgen | 461.90 mi (743.35 km) |
| Caerfyrddin to Rommerskirchen | 476.93 mi (767.55 km) |
| Caerfyrddin to Ronnenberg | 593.10 mi (954.50 km) |
| Caerfyrddin to Rosbach vor der Hohe | 574.38 mi (924.37 km) |
| Caerfyrddin to Rosdorf | 608.59 mi (979.43 km) |
| Caerfyrddin to Rosenheim | 781.21 mi (1,257.23 km) |
| Caerfyrddin to Rosrath | 499.77 mi (804.30 km) |
| Caerfyrddin to Rossdorf | 585.72 mi (942.62 km) |
| Caerfyrddin to Rosstal | 686.05 mi (1,104.09 km) |
| Caerfyrddin to Rostock | 699.82 mi (1,126.26 km) |
| Caerfyrddin to Rotenburg an der Fulda | 606.98 mi (976.84 km) |
| Caerfyrddin to Roth | 698.53 mi (1,124.18 km) |
