| Irig to Arcos de Valdevez | 1,427.61 mi (2,297.52 km) |
| Irig to Arcozelo | 1,456.77 mi (2,344.45 km) |
| Irig to Arganil | 1,449.59 mi (2,332.89 km) |
| Irig to Arouca | 1,440.52 mi (2,318.29 km) |
| Irig to Arruda dos Vinhos | 1,533.59 mi (2,468.07 km) |
| Irig to Aveiro | 1,467.80 mi (2,362.20 km) |
| Irig to Aver-o-Mar | 1,454.78 mi (2,341.24 km) |
| Irig to Aves | 1,431.07 mi (2,303.08 km) |
| Irig to Azambuja | 1,521.42 mi (2,448.49 km) |
| Irig to Baiao | 1,424.52 mi (2,292.55 km) |
| Irig to Barcelos | 1,444.74 mi (2,325.08 km) |
| Irig to Barreiro | 1,543.08 mi (2,483.35 km) |
| Irig to Batalha | 1,501.42 mi (2,416.30 km) |
| Irig to Beja | 1,505.72 mi (2,423.22 km) |
| Irig to Belas | 1,549.73 mi (2,494.05 km) |
