| Castricum to Pontedera | 672.37 mi (1,082.08 km) |
| Castricum to Pontinia | 863.85 mi (1,390.24 km) |
| Castricum to Porcari | 660.61 mi (1,063.15 km) |
| Castricum to Porcia | 578.43 mi (930.90 km) |
| Castricum to Pordenone | 580.30 mi (933.90 km) |
| Castricum to Portici | 929.34 mi (1,495.63 km) |
| Castricum to Porto Empedocle | 1,137.68 mi (1,830.92 km) |
| Castricum to Porto Recanati | 753.71 mi (1,212.97 km) |
| Castricum to Porto Sant'Elpidio | 765.75 mi (1,232.36 km) |
| Castricum to Porto Tolle | 629.46 mi (1,013.02 km) |
| Castricum to Porto Torres | 828.13 mi (1,332.75 km) |
| Castricum to Portoferraio | 721.48 mi (1,161.11 km) |
| Castricum to Portogruaro | 594.80 mi (957.23 km) |
| Castricum to Portomaggiore | 632.00 mi (1,017.10 km) |
| Castricum to Potenza | 975.96 mi (1,570.66 km) |
