| Grigny to Poggio a Caiano | 532.31 mi (856.66 km) |
| Grigny to Poggio Renatico | 507.51 mi (816.76 km) |
| Grigny to Poggiomarino | 805.21 mi (1,295.87 km) |
| Grigny to Poirino | 365.03 mi (587.46 km) |
| Grigny to Policoro | 912.79 mi (1,468.99 km) |
| Grigny to Polistena | 982.96 mi (1,581.92 km) |
| Grigny to Pomezia | 688.80 mi (1,108.52 km) |
| Grigny to Pomigliano d'Arco | 793.97 mi (1,277.77 km) |
| Grigny to Pompei | 805.92 mi (1,297.01 km) |
| Grigny to Ponsacco | 525.96 mi (846.45 km) |
| Grigny to Pontassieve | 548.06 mi (882.01 km) |
| Grigny to Ponte Buggianese | 519.42 mi (835.93 km) |
| Grigny to Ponte San Pietro | 395.01 mi (635.71 km) |
| Grigny to Pontecorvo | 740.39 mi (1,191.54 km) |
| Grigny to Pontedera | 523.73 mi (842.87 km) |
