| Caerphilly to Ploermel | 254.58 mi (409.70 km) |
| Caerphilly to Ploufragan | 214.22 mi (344.76 km) |
| Caerphilly to Plougastel-Daoulas | 227.32 mi (365.83 km) |
| Caerphilly to Plouzane | 229.33 mi (369.07 km) |
| Caerphilly to Poissy | 295.78 mi (476.01 km) |
| Caerphilly to Poitiers | 380.91 mi (613.02 km) |
| Caerphilly to Pont-a-Mousson | 449.03 mi (722.64 km) |
| Caerphilly to Pont-du-Chateau | 496.03 mi (798.29 km) |
| Caerphilly to Pont-Saint-Esprit | 622.60 mi (1,001.98 km) |
| Caerphilly to Pont-Sainte-Maxence | 300.49 mi (483.60 km) |
| Caerphilly to Pontarlier | 538.41 mi (866.49 km) |
| Caerphilly to Pontchateau | 290.57 mi (467.63 km) |
| Caerphilly to Pontivy | 242.74 mi (390.66 km) |
| Caerphilly to Pontoise | 292.38 mi (470.54 km) |
| Caerphilly to Pornic | 312.37 mi (502.71 km) |
