| Merthyr Tudful to Pully | 579.32 mi (932.33 km) |
| Merthyr Tudful to Rapperswil-Jona | 629.31 mi (1,012.78 km) |
| Merthyr Tudful to Regensdorf | 607.36 mi (977.44 km) |
| Merthyr Tudful to Reinach | 571.34 mi (919.49 km) |
| Merthyr Tudful to Renens | 575.61 mi (926.36 km) |
| Merthyr Tudful to Rheinfelden | 577.04 mi (928.66 km) |
| Merthyr Tudful to Richterswil | 624.79 mi (1,005.51 km) |
| Merthyr Tudful to Riehen | 569.33 mi (916.24 km) |
| Merthyr Tudful to Risch | 617.44 mi (993.67 km) |
| Merthyr Tudful to Romanshorn | 637.46 mi (1,025.89 km) |
| Merthyr Tudful to Rorschach | 646.68 mi (1,040.73 km) |
| Merthyr Tudful to Rothrist | 590.00 mi (949.52 km) |
| Merthyr Tudful to Ruti | 628.67 mi (1,011.74 km) |
| Merthyr Tudful to Sankt Gallen | 643.13 mi (1,035.02 km) |
| Merthyr Tudful to Sarnen | 620.35 mi (998.36 km) |
