| Upper Grand Lagoon to Poggibonsi | 5,134.29 mi (8,262.83 km) |
| Upper Grand Lagoon to Poggio a Caiano | 5,119.64 mi (8,239.27 km) |
| Upper Grand Lagoon to Poggio Renatico | 5,108.49 mi (8,221.32 km) |
| Upper Grand Lagoon to Poggiomarino | 5,374.90 mi (8,650.06 km) |
| Upper Grand Lagoon to Poirino | 4,943.28 mi (7,955.44 km) |
| Upper Grand Lagoon to Policoro | 5,491.87 mi (8,838.31 km) |
| Upper Grand Lagoon to Polistena | 5,527.98 mi (8,896.43 km) |
| Upper Grand Lagoon to Pomezia | 5,252.72 mi (8,453.43 km) |
| Upper Grand Lagoon to Pomigliano d'Arco | 5,364.10 mi (8,632.69 km) |
| Upper Grand Lagoon to Pompei | 5,374.32 mi (8,649.13 km) |
| Upper Grand Lagoon to Ponsacco | 5,106.51 mi (8,218.14 km) |
| Upper Grand Lagoon to Pontassieve | 5,137.44 mi (8,267.90 km) |
| Upper Grand Lagoon to Ponte Buggianese | 5,104.68 mi (8,215.19 km) |
| Upper Grand Lagoon to Ponte San Pietro | 4,997.33 mi (8,042.42 km) |
| Upper Grand Lagoon to Pontecorvo | 5,312.48 mi (8,549.61 km) |
