| Castricum to Poggibonsi | 694.80 mi (1,118.18 km) |
| Castricum to Poggio a Caiano | 670.96 mi (1,079.80 km) |
| Castricum to Poggio Renatico | 620.75 mi (998.99 km) |
| Castricum to Poggiomarino | 935.40 mi (1,505.37 km) |
| Castricum to Poirino | 546.54 mi (879.58 km) |
| Castricum to Policoro | 1,024.33 mi (1,648.51 km) |
| Castricum to Polistena | 1,119.83 mi (1,802.18 km) |
| Castricum to Pomezia | 836.06 mi (1,345.51 km) |
| Castricum to Pomigliano d'Arco | 924.69 mi (1,488.14 km) |
| Castricum to Pompei | 937.33 mi (1,508.48 km) |
| Castricum to Ponsacco | 675.32 mi (1,086.82 km) |
| Castricum to Pontassieve | 681.17 mi (1,096.24 km) |
| Castricum to Ponte Buggianese | 663.16 mi (1,067.25 km) |
| Castricum to Ponte San Pietro | 522.83 mi (841.42 km) |
| Castricum to Pontecorvo | 874.07 mi (1,406.68 km) |
