| Caernarfon to Petite-Synthe | 316.80 mi (509.84 km) |
| Caernarfon to Pfastatt | 628.73 mi (1,011.85 km) |
| Caernarfon to Pia | 790.66 mi (1,272.44 km) |
| Caernarfon to Pibrac | 705.11 mi (1,134.76 km) |
| Caernarfon to Pierre-Benite | 655.48 mi (1,054.90 km) |
| Caernarfon to Pierrefitte-sur-Seine | 407.28 mi (655.46 km) |
| Caernarfon to Pierrelatte | 729.07 mi (1,173.32 km) |
| Caernarfon to Pierrelaye | 397.94 mi (640.43 km) |
| Caernarfon to Pithiviers | 446.22 mi (718.12 km) |
| Caernarfon to Plabennec | 320.53 mi (515.85 km) |
| Caernarfon to Plaisance-du-Touch | 708.65 mi (1,140.46 km) |
| Caernarfon to Plaisir | 402.58 mi (647.89 km) |
| Caernarfon to Plan-de-Cuques | 809.82 mi (1,303.29 km) |
| Caernarfon to Plerin | 324.85 mi (522.80 km) |
| Caernarfon to Ploemeur | 375.21 mi (603.84 km) |
