| Barreiro to Piera | 604.27 mi (972.47 km) |
| Barreiro to Pilar de la Horadada | 452.58 mi (728.36 km) |
| Barreiro to Pilas | 177.80 mi (286.15 km) |
| Barreiro to Pinos Puente | 305.67 mi (491.94 km) |
| Barreiro to Pinto | 306.42 mi (493.13 km) |
| Barreiro to Pizarra | 272.34 mi (438.29 km) |
| Barreiro to Plasencia | 184.71 mi (297.26 km) |
| Barreiro to Pola de Laviana | 364.91 mi (587.26 km) |
| Barreiro to Pola de Lena | 353.32 mi (568.62 km) |
| Barreiro to Pola de Siero | 371.29 mi (597.54 km) |
| Barreiro to Pollensa | 651.18 mi (1,047.98 km) |
| Barreiro to Ponferrada | 297.81 mi (479.28 km) |
| Barreiro to Pontevedra | 261.24 mi (420.42 km) |
| Barreiro to Portugalete | 450.09 mi (724.36 km) |
| Barreiro to Poyo | 261.09 mi (420.19 km) |
