| Porterville to Arcos de Valdevez | 5,498.99 mi (8,849.77 km) |
| Porterville to Arcozelo | 5,525.13 mi (8,891.84 km) |
| Porterville to Arganil | 5,585.81 mi (8,989.49 km) |
| Porterville to Arouca | 5,546.32 mi (8,925.94 km) |
| Porterville to Arruda dos Vinhos | 5,599.22 mi (9,011.07 km) |
| Porterville to Aveiro | 5,543.35 mi (8,921.16 km) |
| Porterville to Aver-o-Mar | 5,504.59 mi (8,858.79 km) |
| Porterville to Aves | 5,521.69 mi (8,886.31 km) |
| Porterville to Azambuja | 5,603.78 mi (9,018.42 km) |
| Porterville to Baiao | 5,544.43 mi (8,922.90 km) |
| Porterville to Barcelos | 5,505.70 mi (8,860.57 km) |
| Porterville to Barreiro | 5,613.20 mi (9,033.58 km) |
| Porterville to Batalha | 5,580.72 mi (8,981.30 km) |
| Porterville to Beja | 5,690.44 mi (9,157.88 km) |
| Porterville to Belas | 5,599.91 mi (9,012.18 km) |
