| South Portland to Piedras Blancas | 3,133.01 mi (5,042.10 km) |
| South Portland to Piera | 3,548.13 mi (5,710.16 km) |
| South Portland to Pilar de la Horadada | 3,552.83 mi (5,717.73 km) |
| South Portland to Pilas | 3,308.49 mi (5,324.50 km) |
| South Portland to Pinos Puente | 3,432.68 mi (5,524.36 km) |
| South Portland to Pinto | 3,336.73 mi (5,369.94 km) |
| South Portland to Pizarra | 3,403.50 mi (5,477.40 km) |
| South Portland to Plasencia | 3,231.01 mi (5,199.81 km) |
| South Portland to Pola de Laviana | 3,161.32 mi (5,087.65 km) |
| South Portland to Pola de Lena | 3,150.93 mi (5,070.93 km) |
| South Portland to Pola de Siero | 3,152.88 mi (5,074.08 km) |
| South Portland to Pollensa | 3,661.23 mi (5,892.19 km) |
| South Portland to Ponferrada | 3,132.95 mi (5,042.00 km) |
| South Portland to Pontevedra | 3,040.94 mi (4,893.91 km) |
| South Portland to Portugalete | 3,275.10 mi (5,270.77 km) |
