| Port Huron to Piedras Blancas | 3,700.99 mi (5,956.17 km) |
| Port Huron to Piera | 4,111.62 mi (6,617.01 km) |
| Port Huron to Pilar de la Horadada | 4,135.07 mi (6,654.75 km) |
| Port Huron to Pilas | 3,900.81 mi (6,277.75 km) |
| Port Huron to Pinos Puente | 4,021.55 mi (6,472.05 km) |
| Port Huron to Pinto | 3,915.12 mi (6,300.77 km) |
| Port Huron to Pizarra | 3,995.18 mi (6,429.63 km) |
| Port Huron to Plasencia | 3,814.01 mi (6,138.05 km) |
| Port Huron to Pola de Laviana | 3,730.12 mi (6,003.05 km) |
| Port Huron to Pola de Lena | 3,720.54 mi (5,987.64 km) |
| Port Huron to Pola de Siero | 3,721.16 mi (5,988.62 km) |
| Port Huron to Pollensa | 4,229.21 mi (6,806.25 km) |
| Port Huron to Ponferrada | 3,706.56 mi (5,965.13 km) |
| Port Huron to Pontevedra | 3,618.21 mi (5,822.95 km) |
| Port Huron to Portugalete | 3,839.18 mi (6,178.57 km) |
