| Caerfyrddin to Wetter (Ruhr) | 502.85 mi (809.26 km) |
| Caerfyrddin to Wetzlar | 561.07 mi (902.95 km) |
| Caerfyrddin to Weyhe | 560.42 mi (901.91 km) |
| Caerfyrddin to Wickede | 521.91 mi (839.94 km) |
| Caerfyrddin to Wiefelstede | 530.47 mi (853.71 km) |
| Caerfyrddin to Wiehl | 513.98 mi (827.17 km) |
| Caerfyrddin to Wiesbaden | 559.13 mi (899.83 km) |
| Caerfyrddin to Wiesloch | 596.91 mi (960.63 km) |
| Caerfyrddin to Wiesmoor | 515.80 mi (830.10 km) |
| Caerfyrddin to Wietmarschen | 486.64 mi (783.17 km) |
| Caerfyrddin to Wildau | 760.76 mi (1,224.33 km) |
| Caerfyrddin to Wildberg | 617.88 mi (994.39 km) |
| Caerfyrddin to Wildeshausen | 541.82 mi (871.98 km) |
| Caerfyrddin to Wilhelmshaven | 532.12 mi (856.37 km) |
| Caerfyrddin to Wilkau-Hasslau | 730.75 mi (1,176.03 km) |
