| Clayton to Potenza Picena | 1,003.54 mi (1,615.05 km) |
| Clayton to Pozzallo | 1,422.17 mi (2,288.76 km) |
| Clayton to Pozzuoli | 1,160.37 mi (1,867.44 km) |
| Clayton to Prato | 898.74 mi (1,446.38 km) |
| Clayton to Preganziol | 842.12 mi (1,355.27 km) |
| Clayton to Priolo Gargallo | 1,404.97 mi (2,261.09 km) |
| Clayton to Priverno | 1,096.16 mi (1,764.11 km) |
| Clayton to Pulsano | 1,284.24 mi (2,066.78 km) |
| Clayton to Putignano | 1,251.26 mi (2,013.70 km) |
| Clayton to Qualiano | 1,155.84 mi (1,860.15 km) |
| Clayton to Quarrata | 897.31 mi (1,444.08 km) |
| Clayton to Quartu Sant'Elena | 1,129.59 mi (1,817.90 km) |
| Clayton to Quartucciu | 1,128.69 mi (1,816.46 km) |
| Clayton to Quattro Castella | 838.38 mi (1,349.25 km) |
| Clayton to Quinto di Treviso | 837.40 mi (1,347.67 km) |
