| Clayton to Poggibonsi | 923.60 mi (1,486.38 km) |
| Clayton to Poggio a Caiano | 901.46 mi (1,450.76 km) |
| Clayton to Poggio Renatico | 861.84 mi (1,387.00 km) |
| Clayton to Poggiomarino | 1,174.34 mi (1,889.91 km) |
| Clayton to Poirino | 749.49 mi (1,206.18 km) |
| Clayton to Policoro | 1,272.73 mi (2,048.27 km) |
| Clayton to Polistena | 1,357.10 mi (2,184.05 km) |
| Clayton to Pomezia | 1,064.99 mi (1,713.93 km) |
| Clayton to Pomigliano d'Arco | 1,163.25 mi (1,872.06 km) |
| Clayton to Pompei | 1,175.69 mi (1,892.10 km) |
| Clayton to Ponsacco | 900.35 mi (1,448.97 km) |
| Clayton to Pontassieve | 914.65 mi (1,471.99 km) |
| Clayton to Ponte Buggianese | 890.88 mi (1,433.73 km) |
| Clayton to Ponte San Pietro | 753.96 mi (1,213.38 km) |
| Clayton to Pontecorvo | 1,110.55 mi (1,787.26 km) |
