| Clayton to Piedras Blancas | 731.04 mi (1,176.49 km) |
| Clayton to Piera | 862.87 mi (1,388.65 km) |
| Clayton to Pilar de la Horadada | 1,100.73 mi (1,771.45 km) |
| Clayton to Pilas | 1,158.59 mi (1,864.58 km) |
| Clayton to Pinos Puente | 1,145.98 mi (1,844.28 km) |
| Clayton to Pinto | 939.10 mi (1,511.33 km) |
| Clayton to Pizarra | 1,183.74 mi (1,905.05 km) |
| Clayton to Plasencia | 971.10 mi (1,562.84 km) |
| Clayton to Pola de Laviana | 748.27 mi (1,204.22 km) |
| Clayton to Pola de Lena | 756.41 mi (1,217.33 km) |
| Clayton to Pola de Siero | 739.29 mi (1,189.77 km) |
| Clayton to Pollensa | 986.90 mi (1,588.27 km) |
| Clayton to Ponferrada | 806.47 mi (1,297.89 km) |
| Clayton to Pontevedra | 843.94 mi (1,358.20 km) |
| Clayton to Portugalete | 724.97 mi (1,166.72 km) |
