| Gloucester to Piedras Blancas | 599.22 mi (964.36 km) |
| Gloucester to Piera | 738.92 mi (1,189.18 km) |
| Gloucester to Pilar de la Horadada | 969.74 mi (1,560.64 km) |
| Gloucester to Pilas | 1,025.36 mi (1,650.16 km) |
| Gloucester to Pinos Puente | 1,012.42 mi (1,629.33 km) |
| Gloucester to Pinto | 805.46 mi (1,296.27 km) |
| Gloucester to Pizarra | 1,050.03 mi (1,689.86 km) |
| Gloucester to Plasencia | 838.16 mi (1,348.89 km) |
| Gloucester to Pola de Laviana | 615.69 mi (990.85 km) |
| Gloucester to Pola de Lena | 624.16 mi (1,004.49 km) |
| Gloucester to Pola de Siero | 606.89 mi (976.70 km) |
| Gloucester to Pollensa | 865.46 mi (1,392.82 km) |
| Gloucester to Ponferrada | 675.07 mi (1,086.42 km) |
| Gloucester to Pontevedra | 716.78 mi (1,153.55 km) |
| Gloucester to Portugalete | 591.50 mi (951.92 km) |
