| Erba to Arcozelo | 951.85 mi (1,531.86 km) |
| Erba to Arganil | 951.82 mi (1,531.81 km) |
| Erba to Arouca | 937.20 mi (1,508.28 km) |
| Erba to Arruda dos Vinhos | 1,042.19 mi (1,677.25 km) |
| Erba to Aveiro | 965.56 mi (1,553.91 km) |
| Erba to Aver-o-Mar | 947.57 mi (1,524.96 km) |
| Erba to Aves | 924.47 mi (1,487.80 km) |
| Erba to Azambuja | 1,030.05 mi (1,657.70 km) |
| Erba to Baiao | 920.14 mi (1,480.83 km) |
| Erba to Barcelos | 937.15 mi (1,508.19 km) |
| Erba to Barreiro | 1,054.21 mi (1,696.59 km) |
| Erba to Batalha | 1,005.75 mi (1,618.59 km) |
| Erba to Beja | 1,027.28 mi (1,653.25 km) |
| Erba to Belas | 1,059.26 mi (1,704.72 km) |
| Erba to Benavente | 1,030.80 mi (1,658.91 km) |
