| Merthyr Tudful to Wodzislaw Slaski | 955.68 mi (1,538.02 km) |
| Merthyr Tudful to Wolomin | 1,042.32 mi (1,677.45 km) |
| Merthyr Tudful to Wolow | 857.46 mi (1,379.94 km) |
| Merthyr Tudful to Wolsztyn | 828.47 mi (1,333.29 km) |
| Merthyr Tudful to Wroclaw | 877.52 mi (1,412.22 km) |
| Merthyr Tudful to Wronki | 836.40 mi (1,346.06 km) |
| Merthyr Tudful to Wrzesnia | 888.71 mi (1,430.23 km) |
| Merthyr Tudful to Wschowa | 839.49 mi (1,351.02 km) |
| Merthyr Tudful to Wysokie Mazowieckie | 1,090.30 mi (1,754.67 km) |
| Merthyr Tudful to Wyszkow | 1,048.94 mi (1,688.11 km) |
| Merthyr Tudful to Zabki | 1,037.23 mi (1,669.27 km) |
| Merthyr Tudful to Zabkowice Slaskie | 875.84 mi (1,409.53 km) |
| Merthyr Tudful to Zabrze | 964.28 mi (1,551.86 km) |
| Merthyr Tudful to Zagan | 798.76 mi (1,285.49 km) |
| Merthyr Tudful to Zakopane | 1,033.98 mi (1,664.03 km) |
