| Soma to Arcos de Valdevez | 1,887.33 mi (3,037.36 km) |
| Soma to Arcozelo | 1,905.70 mi (3,066.93 km) |
| Soma to Arganil | 1,884.28 mi (3,032.45 km) |
| Soma to Arouca | 1,886.53 mi (3,036.08 km) |
| Soma to Arruda dos Vinhos | 1,953.32 mi (3,143.56 km) |
| Soma to Aveiro | 1,910.60 mi (3,074.81 km) |
| Soma to Aver-o-Mar | 1,909.06 mi (3,072.34 km) |
| Soma to Aves | 1,884.64 mi (3,033.04 km) |
| Soma to Azambuja | 1,941.62 mi (3,124.73 km) |
| Soma to Baiao | 1,873.38 mi (3,014.92 km) |
| Soma to Barcelos | 1,900.23 mi (3,058.13 km) |
| Soma to Barreiro | 1,958.05 mi (3,151.18 km) |
| Soma to Batalha | 1,930.13 mi (3,106.25 km) |
| Soma to Beja | 1,905.60 mi (3,066.76 km) |
| Soma to Belas | 1,967.17 mi (3,165.86 km) |
