| Boulder to Piedras Blancas | 4,787.08 mi (7,704.06 km) |
| Boulder to Piera | 5,182.53 mi (8,340.48 km) |
| Boulder to Pilar de la Horadada | 5,243.76 mi (8,439.02 km) |
| Boulder to Pilas | 5,033.20 mi (8,100.15 km) |
| Boulder to Pinos Puente | 5,145.45 mi (8,280.80 km) |
| Boulder to Pinto | 5,018.46 mi (8,076.44 km) |
| Boulder to Pizarra | 5,125.40 mi (8,248.53 km) |
| Boulder to Plasencia | 4,927.81 mi (7,930.55 km) |
| Boulder to Pola de Laviana | 4,817.32 mi (7,752.72 km) |
| Boulder to Pola de Lena | 4,809.42 mi (7,740.02 km) |
| Boulder to Pola de Siero | 4,807.48 mi (7,736.89 km) |
| Boulder to Pollensa | 5,307.33 mi (8,541.32 km) |
| Boulder to Ponferrada | 4,803.27 mi (7,730.11 km) |
| Boulder to Pontevedra | 4,723.17 mi (7,601.21 km) |
| Boulder to Portugalete | 4,915.65 mi (7,910.97 km) |
