| Merthyr Tudful to Sycow | 904.41 mi (1,455.51 km) |
| Merthyr Tudful to Szamotuly | 845.21 mi (1,360.23 km) |
| Merthyr Tudful to Szczecin | 759.41 mi (1,222.15 km) |
| Merthyr Tudful to Szczecinek | 847.45 mi (1,363.84 km) |
| Merthyr Tudful to Szczytno | 1,023.69 mi (1,647.47 km) |
| Merthyr Tudful to Szprotawa | 808.46 mi (1,301.09 km) |
| Merthyr Tudful to Sztum | 943.45 mi (1,518.34 km) |
| Merthyr Tudful to Szubin | 892.16 mi (1,435.79 km) |
| Merthyr Tudful to Szydlowiec | 1,038.15 mi (1,670.74 km) |
| Merthyr Tudful to Tarnobrzeg | 1,083.45 mi (1,743.65 km) |
| Merthyr Tudful to Tarnow | 1,063.96 mi (1,712.28 km) |
| Merthyr Tudful to Tarnowskie Gory | 965.30 mi (1,553.50 km) |
| Merthyr Tudful to Tczew | 933.95 mi (1,503.05 km) |
| Merthyr Tudful to Tomaszow Lubelski | 1,159.50 mi (1,866.04 km) |
| Merthyr Tudful to Tomaszow Mazowiecki | 999.19 mi (1,608.03 km) |
