| Caerphilly to Plombieres | 401.29 mi (645.82 km) |
| Caerphilly to Pont-a-Celles | 336.96 mi (542.28 km) |
| Caerphilly to Poperinge | 261.96 mi (421.59 km) |
| Caerphilly to Profondeville | 361.30 mi (581.46 km) |
| Caerphilly to Putte | 340.86 mi (548.57 km) |
| Caerphilly to Puurs | 325.44 mi (523.75 km) |
| Caerphilly to Quaregnon | 317.87 mi (511.56 km) |
| Caerphilly to Raeren | 409.15 mi (658.46 km) |
| Caerphilly to Ranst | 335.78 mi (540.39 km) |
| Caerphilly to Ravels | 353.80 mi (569.38 km) |
| Caerphilly to Retie | 357.40 mi (575.18 km) |
| Caerphilly to Riemst | 385.34 mi (620.15 km) |
| Caerphilly to Rijkevorsel | 343.90 mi (553.45 km) |
| Caerphilly to Rixensart | 341.03 mi (548.83 km) |
| Caerphilly to Rochefort | 380.23 mi (611.92 km) |
