| Greenock to Piedras Blancas | 857.74 mi (1,380.39 km) |
| Greenock to Piera | 1,039.00 mi (1,672.11 km) |
| Greenock to Pilar de la Horadada | 1,262.97 mi (2,032.56 km) |
| Greenock to Pilas | 1,290.45 mi (2,076.77 km) |
| Greenock to Pinos Puente | 1,292.91 mi (2,080.73 km) |
| Greenock to Pinto | 1,085.84 mi (1,747.50 km) |
| Greenock to Pizarra | 1,325.44 mi (2,133.09 km) |
| Greenock to Plasencia | 1,101.79 mi (1,773.16 km) |
| Greenock to Pola de Laviana | 879.17 mi (1,414.88 km) |
| Greenock to Pola de Lena | 885.08 mi (1,424.40 km) |
| Greenock to Pola de Siero | 869.16 mi (1,398.77 km) |
| Greenock to Pollensa | 1,165.76 mi (1,876.11 km) |
| Greenock to Ponferrada | 929.69 mi (1,496.19 km) |
| Greenock to Pontevedra | 949.73 mi (1,528.44 km) |
| Greenock to Portugalete | 876.11 mi (1,409.96 km) |
