| Caerphilly to Wetter (Ruhr) | 456.44 mi (734.57 km) |
| Caerphilly to Wetzlar | 512.93 mi (825.48 km) |
| Caerphilly to Weyhe | 519.67 mi (836.32 km) |
| Caerphilly to Wickede | 475.92 mi (765.92 km) |
| Caerphilly to Wiefelstede | 490.99 mi (790.17 km) |
| Caerphilly to Wiehl | 466.42 mi (750.62 km) |
| Caerphilly to Wiesbaden | 510.03 mi (820.82 km) |
| Caerphilly to Wiesloch | 546.92 mi (880.19 km) |
| Caerphilly to Wiesmoor | 477.09 mi (767.80 km) |
| Caerphilly to Wietmarschen | 444.29 mi (715.02 km) |
| Caerphilly to Wildau | 717.84 mi (1,155.26 km) |
| Caerphilly to Wildberg | 567.39 mi (913.13 km) |
| Caerphilly to Wildeshausen | 500.78 mi (805.92 km) |
| Caerphilly to Wilhelmshaven | 493.83 mi (794.74 km) |
| Caerphilly to Wilkau-Hasslau | 683.93 mi (1,100.68 km) |
