| Groslay to Poggio a Caiano | 547.39 mi (880.94 km) |
| Groslay to Poggio Renatico | 520.40 mi (837.50 km) |
| Groslay to Poggiomarino | 820.85 mi (1,321.02 km) |
| Groslay to Poirino | 382.25 mi (615.17 km) |
| Groslay to Policoro | 927.39 mi (1,492.50 km) |
| Groslay to Polistena | 999.46 mi (1,608.48 km) |
| Groslay to Pomezia | 705.27 mi (1,135.02 km) |
| Groslay to Pomigliano d'Arco | 809.61 mi (1,302.93 km) |
| Groslay to Pompei | 821.64 mi (1,322.31 km) |
| Groslay to Ponsacco | 541.83 mi (871.99 km) |
| Groslay to Pontassieve | 562.81 mi (905.76 km) |
| Groslay to Ponte Buggianese | 534.82 mi (860.71 km) |
| Groslay to Ponte San Pietro | 407.96 mi (656.54 km) |
| Groslay to Pontecorvo | 756.07 mi (1,216.77 km) |
| Groslay to Pontedera | 539.53 mi (868.30 km) |
