| Mercogliano to Poggio a Caiano | 274.14 mi (441.19 km) |
| Mercogliano to Poggio Renatico | 312.55 mi (503.01 km) |
| Mercogliano to Poggiomarino | 13.18 mi (21.22 km) |
| Mercogliano to Poirino | 444.73 mi (715.72 km) |
| Mercogliano to Policoro | 112.67 mi (181.32 km) |
| Mercogliano to Polistena | 188.01 mi (302.57 km) |
| Mercogliano to Pomezia | 127.22 mi (204.75 km) |
| Mercogliano to Pomigliano d'Arco | 17.90 mi (28.81 km) |
| Mercogliano to Pompei | 17.44 mi (28.07 km) |
| Mercogliano to Ponsacco | 280.62 mi (451.61 km) |
| Mercogliano to Pontassieve | 259.40 mi (417.47 km) |
| Mercogliano to Ponte Buggianese | 286.67 mi (461.35 km) |
| Mercogliano to Ponte San Pietro | 419.32 mi (674.83 km) |
| Mercogliano to Pontecorvo | 67.19 mi (108.13 km) |
| Mercogliano to Pontedera | 282.69 mi (454.94 km) |
