| Caerfyrddin to Waregem | 339.41 mi (546.23 km) |
| Caerfyrddin to Waremme | 421.05 mi (677.61 km) |
| Caerfyrddin to Waterloo | 383.83 mi (617.71 km) |
| Caerfyrddin to Wavre | 392.98 mi (632.44 km) |
| Caerfyrddin to Welkenraedt | 452.02 mi (727.46 km) |
| Caerfyrddin to Wemmel | 376.90 mi (606.57 km) |
| Caerfyrddin to Wervik | 326.09 mi (524.79 km) |
| Caerfyrddin to Westerlo | 400.67 mi (644.82 km) |
| Caerfyrddin to Wetteren | 357.94 mi (576.05 km) |
| Caerfyrddin to Wevelgem | 331.60 mi (533.67 km) |
| Caerfyrddin to Wezembeek-Oppem | 386.73 mi (622.39 km) |
| Caerfyrddin to Wichelen | 361.48 mi (581.74 km) |
| Caerfyrddin to Wielsbeke | 337.65 mi (543.40 km) |
| Caerfyrddin to Wijnegem | 382.43 mi (615.47 km) |
| Caerfyrddin to Willebroek | 377.50 mi (607.52 km) |
