| Clayton to Pandino | 769.14 mi (1,237.81 km) |
| Clayton to Paola | 1,300.35 mi (2,092.71 km) |
| Clayton to Parabiago | 742.94 mi (1,195.65 km) |
| Clayton to Parabita | 1,327.71 mi (2,136.74 km) |
| Clayton to Parma | 825.00 mi (1,327.71 km) |
| Clayton to Partanna | 1,310.52 mi (2,109.08 km) |
| Clayton to Partinico | 1,296.70 mi (2,086.84 km) |
| Clayton to Pasian di Prato | 852.36 mi (1,371.74 km) |
| Clayton to Paterno | 1,373.26 mi (2,210.05 km) |
| Clayton to Patti | 1,340.96 mi (2,158.07 km) |
| Clayton to Paullo | 763.84 mi (1,229.29 km) |
| Clayton to Pavia | 769.71 mi (1,238.73 km) |
| Clayton to Pavullo nel Frignano | 865.83 mi (1,393.42 km) |
| Clayton to Pedara | 1,374.85 mi (2,212.61 km) |
| Clayton to Pellezzano | 1,184.59 mi (1,906.42 km) |
