| Merthyr Tudful to Walcz | 838.45 mi (1,349.36 km) |
| Merthyr Tudful to Warka | 1,046.03 mi (1,683.42 km) |
| Merthyr Tudful to Warsaw | 1,033.42 mi (1,663.13 km) |
| Merthyr Tudful to Wasilkow | 1,116.79 mi (1,797.31 km) |
| Merthyr Tudful to Wegorzewo | 1,053.42 mi (1,695.32 km) |
| Merthyr Tudful to Wegrow | 1,073.92 mi (1,728.30 km) |
| Merthyr Tudful to Wejherowo | 913.32 mi (1,469.85 km) |
| Merthyr Tudful to Wieliczka | 1,024.98 mi (1,649.55 km) |
| Merthyr Tudful to Wielun | 941.52 mi (1,515.23 km) |
| Merthyr Tudful to Wieruszow | 922.66 mi (1,484.88 km) |
| Merthyr Tudful to Wisla | 979.90 mi (1,576.99 km) |
| Merthyr Tudful to Wladyslawowo | 920.25 mi (1,480.99 km) |
| Merthyr Tudful to Wloclawek | 948.76 mi (1,526.88 km) |
| Merthyr Tudful to Wlodawa | 1,147.98 mi (1,847.50 km) |
| Merthyr Tudful to Wloszczowa | 1,006.08 mi (1,619.13 km) |
