| Merthyr Tudful to Wadenswil | 622.86 mi (1,002.39 km) |
| Merthyr Tudful to Wald | 630.84 mi (1,015.24 km) |
| Merthyr Tudful to Wallisellen | 613.11 mi (986.71 km) |
| Merthyr Tudful to Waltikon | 614.45 mi (988.86 km) |
| Merthyr Tudful to Wattwil | 636.64 mi (1,024.58 km) |
| Merthyr Tudful to Weinfelden | 627.55 mi (1,009.94 km) |
| Merthyr Tudful to Wettingen | 600.67 mi (966.68 km) |
| Merthyr Tudful to Wetzikon | 624.80 mi (1,005.51 km) |
| Merthyr Tudful to Widnau | 654.42 mi (1,053.18 km) |
| Merthyr Tudful to Wil | 628.91 mi (1,012.13 km) |
| Merthyr Tudful to Winterthur | 615.08 mi (989.88 km) |
| Merthyr Tudful to Wittenbach | 641.91 mi (1,033.05 km) |
| Merthyr Tudful to Wohlen | 603.24 mi (970.83 km) |
| Merthyr Tudful to Worb | 593.39 mi (954.97 km) |
| Merthyr Tudful to Wulflingen | 612.88 mi (986.34 km) |
