| Clayton to Penne | 1,062.81 mi (1,710.43 km) |
| Clayton to Pergine Valsugana | 785.78 mi (1,264.60 km) |
| Clayton to Perugia | 979.81 mi (1,576.85 km) |
| Clayton to Pesaro | 951.46 mi (1,531.23 km) |
| Clayton to Pescantina | 804.43 mi (1,294.60 km) |
| Clayton to Pescara | 1,071.24 mi (1,723.99 km) |
| Clayton to Peschiera del Garda | 801.28 mi (1,289.54 km) |
| Clayton to Pescia | 885.78 mi (1,425.53 km) |
| Clayton to Petilia Policastro | 1,337.28 mi (2,152.14 km) |
| Clayton to Piacenza | 792.89 mi (1,276.03 km) |
| Clayton to Pianella | 1,069.68 mi (1,721.48 km) |
| Clayton to Pianezza | 730.82 mi (1,176.15 km) |
| Clayton to Pianiga | 842.01 mi (1,355.08 km) |
| Clayton to Piano di Sorrento | 1,179.72 mi (1,898.57 km) |
| Clayton to Pianoro | 877.96 mi (1,412.94 km) |
