| Boston to Piedras Blancas | 705.15 mi (1,134.83 km) |
| Boston to Piera | 795.52 mi (1,280.27 km) |
| Boston to Pilar de la Horadada | 1,044.45 mi (1,680.88 km) |
| Boston to Pilas | 1,124.17 mi (1,809.18 km) |
| Boston to Pinos Puente | 1,101.15 mi (1,772.13 km) |
| Boston to Pinto | 896.00 mi (1,441.98 km) |
| Boston to Pizarra | 1,142.39 mi (1,838.50 km) |
| Boston to Plasencia | 939.10 mi (1,511.33 km) |
| Boston to Pola de Laviana | 719.14 mi (1,157.34 km) |
| Boston to Pola de Lena | 728.70 mi (1,172.73 km) |
| Boston to Pola de Siero | 711.04 mi (1,144.31 km) |
| Boston to Pollensa | 916.18 mi (1,474.44 km) |
| Boston to Ponferrada | 781.65 mi (1,257.94 km) |
| Boston to Pontevedra | 829.75 mi (1,335.36 km) |
| Boston to Portugalete | 681.08 mi (1,096.09 km) |
