| Merthyr Tudful to Radviliskis | 1,126.88 mi (1,813.53 km) |
| Merthyr Tudful to Raseiniai | 1,108.63 mi (1,784.17 km) |
| Merthyr Tudful to Rietavas | 1,063.78 mi (1,711.99 km) |
| Merthyr Tudful to Rokiskis | 1,206.09 mi (1,941.02 km) |
| Merthyr Tudful to Sakiai | 1,105.34 mi (1,778.88 km) |
| Merthyr Tudful to Salcininkai | 1,199.66 mi (1,930.67 km) |
| Merthyr Tudful to Siauliai | 1,118.40 mi (1,799.89 km) |
| Merthyr Tudful to Silale | 1,072.45 mi (1,725.94 km) |
| Merthyr Tudful to Silute | 1,044.50 mi (1,680.96 km) |
| Merthyr Tudful to Sirvintos | 1,181.42 mi (1,901.31 km) |
| Merthyr Tudful to Skuodas | 1,052.08 mi (1,693.16 km) |
| Merthyr Tudful to Svencionys | 1,228.21 mi (1,976.61 km) |
| Merthyr Tudful to Taurage | 1,075.84 mi (1,731.39 km) |
| Merthyr Tudful to Telsiai | 1,077.53 mi (1,734.12 km) |
| Merthyr Tudful to Trakai | 1,180.61 mi (1,900.01 km) |
